# Rhys Coiro
**Rhys Coiro** (full name John Rhys Coiro, born 1979) is an American actor known for playing the volatile independent film director Billy Walsh on HBO's *Entourage* and FBI analyst Sean Hillinger on *24*. His work spans television, film, and the New York stage, from a Broadway revival at [Lincoln Center](https://www.edgepedia.org/lincoln-center) to guest roles across crime dramas and recent series such as *She-Hulk: Attorney at Law* and *The Penguin*.
| Key fact | Detail |
|---|---|
| Best-known role | Billy Walsh, an erratic film director, on *Entourage* (2004–2011), reprised in the 2015 *Entourage* film[1](https://24.fandom.com/wiki/Rhys_Coiro) • [2](https://www.imdb.com/name/nm1711052/) |
| Other major role | FBI analyst Sean Hillinger in Season 7 of *24*, one of the season's moles, in 10 episodes[3](https://www.24spoilers.com/2009/02/24/24-rhys-coiro-interview-latimes/) • [4](https://www.tvmaze.com/people/5178/rhys-coiro) |
| Training | Graduate of Carnegie Mellon University's School of Drama[2](https://www.imdb.com/name/nm1711052/) |
| Stage career | Understudy in the 2000 Off-Broadway *This Lime Tree Bower*; Broadway debut as the bellboy in the 2002 Lincoln Center revival of *Dinner at Eight*; Jack in *Boys' Life* at Second Stage (2008); originated a role in *The Coast Starlight* at Lincoln Center in 2023[5](https://playbill.com/article/playbillcoms-brief-encounter-with-rhys-coiro-com-154082) • [2](https://www.imdb.com/name/nm1711052/) |
| Recognition | Shared a 2008 Screen Actors Guild Award nomination for outstanding performance by an ensemble in a comedy series with the *Entourage* cast[6](https://www.tvguide.com/celebrities/rhys-coiro/bio/3030038767/) |
| Personal life | Married to director Kat Coiro; three children; lives in Los Angeles[2](https://www.imdb.com/name/nm1711052/) |
## Origins and training
Sources agree that Coiro was born in 1979 but differ on where. IMDb lists Washington, District of Columbia, USA, as his birthplace, while [TV Guide](https://www.edgepedia.org/tv-guide), Fandango, and other biographical listings give Calabria, Italy, with one biography placing his birth in Santo Stefano in Aspromonte.[2](https://www.imdb.com/name/nm1711052/) • [6](https://www.tvguide.com/celebrities/rhys-coiro/bio/3030038767/) • [7](https://www.fandango.com/people/rhys-coiro-128808/film-credits) • [8](https://www.thefamouspeople.com/profiles/rhys-coiro-49155.php) Biographical accounts describe an upbringing in [Princeton, New Jersey](https://www.edgepedia.org/princeton-new-jersey), where he attended Princeton High School and worked summers installing sets and lights at The Shakespeare Theatre of New Jersey before deciding to study theater.[8](https://www.thefamouspeople.com/profiles/rhys-coiro-49155.php) He graduated from [Carnegie Mellon University](https://www.edgepedia.org/carnegie-mellon-university)'s School of Drama in Pittsburgh.[2](https://www.imdb.com/name/nm1711052/)
## Stage beginnings
**New York theater.** Coiro's first professional work was in the 2000 [Off-Broadway](https://www.edgepedia.org/off-broadway) production of Conor McPherson's *This Lime Tree Bower* at Primary Stages, where he was an understudy for three roles and went on a couple of times; IMDb describes this production, staged under the direction of [Harris Yulin](https://www.edgepedia.org/harris-yulin), as the American premiere.[5](https://playbill.com/article/playbillcoms-brief-encounter-with-rhys-coiro-com-154082) • [2](https://www.imdb.com/name/nm1711052/) Shortly afterward he made his Broadway debut in the Lincoln Center Theater revival of [George S. Kaufman](https://www.edgepedia.org/george-s-kaufman)'s *Dinner at Eight*, directed by Gerald Gutierrez, playing the bellboy in a cast of about 29 that included Marian Seldes, Christine Ebersole, and James Rebhorn.[5](https://playbill.com/article/playbillcoms-brief-encounter-with-rhys-coiro-com-154082) • [2](https://www.imdb.com/name/nm1711052/)
He then moved to Los Angeles, and returned to the New York stage about six years later in Michael Greif's 2008 Second Stage Theater revival of Howard Korder's *Boys' Life*, playing Jack opposite [Jason Biggs](https://www.edgepedia.org/jason-biggs) and [Peter Scanavino](https://www.edgepedia.org/peter-scanavino) in the company's 30th anniversary season. In a 2008 Playbill interview he described the return to rehearsal-heavy stage work as refreshing, noting that television offers little to no rehearsal.[5](https://playbill.com/article/playbillcoms-brief-encounter-with-rhys-coiro-com-154082) • [2](https://www.imdb.com/name/nm1711052/) In 2023 he originated a role in Keith Bunin's *The Coast Starlight*, directed by Tyne Rafaeli, at Lincoln Center Theater.[2](https://www.imdb.com/name/nm1711052/)
## Breakthrough on Entourage
Coiro's first recurring television role was as fashion photographer Vincent Bianchi in the [America Ferrera](https://www.edgepedia.org/america-ferrera) comedy *Ugly Betty*, and his screen debut came in the 2003 film *Making Revolution*.[9](https://www.tvinsider.com/people/rhys-coiro/) • [6](https://www.tvguide.com/celebrities/rhys-coiro/bio/3030038767/) His visibility rose sharply with Billy Walsh on *Entourage*, the HBO comedy-drama about a young film star and his circle, which he played from 2004 to 2011 and reprised in the 2015 feature film version.[1](https://24.fandom.com/wiki/Rhys_Coiro) • [10](https://time.com/3899467/where-the-bros-are/)
Walsh, a hot-and-cold director who makes the films *Queens Boulevard* and *Medellin* within the show's story, was often comically egomaniacal, insecure, and insistent on his art; TV Insider describes the character as partially inspired by the reputation of the eccentric actor-director [Vincent Gallo](https://www.edgepedia.org/vincent-gallo), while the Los Angeles Times separately identified writer-director Rob Weiss, whose 1993 festival hit *Amongst Friends* preceded an untamed Hollywood run, as the inspiration behind the part.[9](https://www.tvinsider.com/people/rhys-coiro/) • [11](https://www.latimes.com/archives/blogs/ministry-of-gossip/story/2010-02-26/art-imitating-rob-weiss-entourage-archetype-knows-how-to-make-it-in-america) The role became one of the series' most memorable recurring performances and earned the ensemble a 2008 Screen Actors Guild Award nomination for outstanding performance in a comedy series.[2](https://www.imdb.com/name/nm1711052/) • [6](https://www.tvguide.com/celebrities/rhys-coiro/bio/3030038767/) In 2020 he revisited the part as a guest on *Victory the Podcast*, a series hosted by *Entourage* cast members Kevin Connolly, Kevin Dillon, and Doug Ellin.[2](https://www.imdb.com/name/nm1711052/)
## 24 and television work
In 2009 Coiro joined *24* as FBI analyst Sean Hillinger in the show's seventh season, a regular role spanning 10 episodes. His character was one of Col. Dubaku's moles inside the FBI and, in going bad, killed his co-worker and mistress Erika, played by [Ever Carradine](https://www.edgepedia.org/ever-carradine). Coiro told the Los Angeles Times' *24* blog that filming stopped just before Sean turned, because of the 2007-2008 writers' strike, and that he did not learn the character's fate until production resumed months later.[3](https://www.24spoilers.com/2009/02/24/24-rhys-coiro-interview-latimes/)
He followed with a steady stream of crime dramas and thrillers. His series appearances include Dexter, Ray Donovan, Graceland, Hawaii Five-0, Burn Notice, Longmire, S.W.A.T., *Unsolved: The Murders of Tupac and The Notorious B.I.G.* (as Jim Black), *The Walking Dead* (as Jed), *A Million Little Things* (as Mitch Nelson, five episodes), and *Paradise City* (as Adam).[1](https://24.fandom.com/wiki/Rhys_Coiro) • [4](https://www.tvmaze.com/people/5178/rhys-coiro) • [12](https://www.allocine.fr/personne/fichepersonne-154349/filmographie/) He had larger recurring parts as Kramer Daly in *Hostages* (15 episodes, 2013–2014) and as Donny Blaze, a magic-performing former client of Jen Walters, in an episode of *She-Hulk: Attorney at Law* (2022).[2](https://www.imdb.com/name/nm1711052/) • [9](https://www.tvinsider.com/people/rhys-coiro/) In 2024 he played Councilman Sebastian Hady in two episodes of the HBO miniseries *The Penguin*.[2](https://www.imdb.com/name/nm1711052/)
## Film work
Coiro's feature credits include *Straw Dogs* (2011), in which he played Norman alongside [James Marsden](https://www.edgepedia.org/james-marsden), Kate Bosworth, and [Alexander Skarsgård](https://www.edgepedia.org/alexander-skarsgard); *MacGruber* (2010) as Yerik Novikov; *The Unborn* (2009); *Hustlers* (2019), opposite [Jennifer Lopez](https://www.edgepedia.org/jennifer-lopez), Constance Wu, and Keke Palmer; the bank-heist film *Finding Steve McQueen* (2018) as Ray Darrow; and recent titles such as *Who Invited Charlie?* (2022), *One Way* (2022) with Kevin Bacon and Colson Baker, *Agent Game* (2022), *Running on Empty* (2024), *Rust* (2024) as Clete Lafontaine, and *Trust* (2025) as Darren.[2](https://www.imdb.com/name/nm1711052/) • [7](https://www.fandango.com/people/rhys-coiro-128808/film-credits)
In a 2017 interview for the independent thriller *Valley of Bones*, in which he played Nate, the brother of Autumn Reeser's paleontologist character, Coiro described the part as a change from the bad-boy and villain roles that had dominated his career: the character was a steady, benevolent uncle, close to his own temperament. He has three children of his own.[13](https://lrmonline.com/news/valley-of-bones-rhys-coiro-talks-about-playing-a-good-guy-and-being-in-the-badlands/)
## Personal life
Coiro is married to Kat Coiro, the director of *And While We Were Here*, *A Case of You*, and the first two episodes of *The Spiderwick Chronicles*, and they have three children; the family lives in Los Angeles.[2](https://www.imdb.com/name/nm1711052/) • [14](https://www.imdb.com/name/nm0192478/bio/) IMDb lists him at 6′ 2″ (1.88 m) and notes that he is fluent in Italian and Spanish.[2](https://www.imdb.com/name/nm1711052/)
## References
1. [Rhys Coiro | 24 Wiki, Fandom](https://24.fandom.com/wiki/Rhys_Coiro)
2. [Rhys Coiro, IMDb](https://www.imdb.com/name/nm1711052/)
3. ['24': Five questions with fallen FBI agent Rhys Coiro, 24 Spoilers (Los Angeles Times blog), February 24, 2009](https://www.24spoilers.com/2009/02/24/24-rhys-coiro-interview-latimes/)
4. [Rhys Coiro, TVmaze](https://www.tvmaze.com/people/5178/rhys-coiro)
5. [PLAYBILL.COM'S BRIEF ENCOUNTER With Rhys Coiro, Playbill, October 8, 2008](https://playbill.com/article/playbillcoms-brief-encounter-with-rhys-coiro-com-154082)
6. [Rhys Coiro Biography, Celebrity Facts and Awards, TV Guide](https://www.tvguide.com/celebrities/rhys-coiro/bio/3030038767/)
7. [Rhys Coiro Filmography and Movies, Fandango](https://www.fandango.com/people/rhys-coiro-128808/film-credits)
8. [Rhys Coiro Biography, Facts, Childhood, Family Life & Achievements, The Famous People](https://www.thefamouspeople.com/profiles/rhys-coiro-49155.php)
9. [Rhys Coiro, TV Insider](https://www.tvinsider.com/people/rhys-coiro/)
10. [The Man-child Fantasy of Entourage, Time, May 28, 2015](https://time.com/3899467/where-the-bros-are/)
11. [Art imitating Rob Weiss: 'Entourage' archetype knows 'How to Make It in America', Los Angeles Times, February 26, 2010](https://www.latimes.com/archives/blogs/ministry-of-gossip/story/2010-02-26/art-imitating-rob-weiss-entourage-archetype-knows-how-to-make-it-in-america)
12. [Rhys Coiro : Filmographie, AlloCiné](https://www.allocine.fr/personne/fichepersonne-154349/filmographie/)
13. [Valley of Bones: Rhys Coiro Talks About Playing a Good Guy and Being in the Badlands, LRM Online, August 30, 2017](https://lrmonline.com/news/valley-of-bones-rhys-coiro-talks-about-playing-a-good-guy-and-being-in-the-badlands/)
14. [Kat Coiro, Biography, IMDb](https://www.imdb.com/name/nm0192478/bio/)
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*Topic: Encyclopedia › Arts and culture › Screen and stage › Film and television › Screen people and creators › Screen actors of the Anglosphere and Europe › American actors: 2000s onward › Surnames Co to C*
*Initially written Sep 17, 2026 · Reviewed: Sep 17, 2026; Oct 25, 2026 · Edited: Oct 12, 2026; Oct 25, 2026 · Last review: Oct 25, 2026*
*Copyright 2026 EdgeChat AI, a subsidiary of Biostate AI.*
License: Edgepedia Community License 1.0, https://www.edgepedia.org/edgepedia/license