# Louis Mandylor (Ηλίας Θεοδοσόπουλος)
**Louis Mandylor** (Ηλίας Θεοδοσόπουλος; born 1966) is an Australian film and television actor, director, and producer, best known for playing Nikos "Nick" Portokalos, the brother of [Nia Vardalos](https://www.edgepedia.org/nia-vardalos)'s title character, in the *My Big Fat Greek Wedding* franchise from 2002 to 2023[1](https://www.valeorine.com/reference/louis-mandylor). In recent years he has also become a director of independent action films, including *[Prisoner of War](https://www.edgepedia.org/prisoner-of-war-2025-film)* (2025) and *3 Days in Malay* (2023)[2](https://www.giftboxfilms.com/louis).
| Key fact | Detail |
|---|---|
| Birth name | Elias Theodosopoulos (Ηλίας Θεοδοσόπουλος), born 1966 in Melbourne, Victoria, Australia[1](https://www.valeorine.com/reference/louis-mandylor) • [3](https://www.fandango.com/people/louis-mandylor-429109) |
| Stage name | A shortened form of his mother Louise's maiden name, Mandylaris; the brothers considered their paternal surname Theodosopoulos too long[4](https://www.cinemagia.ro/actori/louis-mandylor-15417/) |
| Signature role | Nick Portokalos in *My Big Fat Greek Wedding* (2002), *My Big Fat Greek Life* (2003), *My Big Fat Greek Wedding 2* (2016), and *My Big Fat Greek Wedding 3* (2023)[1](https://www.valeorine.com/reference/louis-mandylor) |
| Other known roles | Louis Malone in *Martial Law* (1998); Joey's twin Carl in *Friends* (2000); Sue in *The Debt Collector* (2018) and its 2020 sequel; the Sheriff in *Rambo: Last Blood* (2019)[5](https://www.adorocinema.com/personalidades/personalidade-81950/filmografia/) • [6](https://www.imdb.com/es/name/nm0541909/bio/) |
| Directing | *Prisoner of War* (2025), *3 Days in Malay* (2023), *Operation Blood Hunt* (2024), *Paralysis* (2025), *Boxing Kid*, and the upcoming *Marx*[2](https://www.giftboxfilms.com/louis) |
| Output | More than 150 film and television credits across a career of more than four decades[2](https://www.giftboxfilms.com/louis) |
| Family | Younger brother of actor Costas Mandylor; married to Kristina Petrova, with one child[7](https://www.imdb.com/name/nm0541908/fullcredits) • [6](https://www.imdb.com/es/name/nm0541909/bio/) |
## Early life and athletic career
Mandylor was born in Melbourne, Victoria, the son of Greek immigrants Yannis, a taxi driver, and Louise Theodosopoulos[4](https://www.cinemagia.ro/actori/louis-mandylor-15417/). He is the younger brother of actor [Costas Mandylor](https://www.edgepedia.org/costas-mandylor), who rose to prominence on CBS's *Picket Fences* and later played Detective Mark Hoffman in the *Saw* franchise[7](https://www.imdb.com/name/nm0541908/fullcredits). Both brothers adopted a shorter version of their mother's maiden name, Mandylaris, saying their family name was too long[4](https://www.cinemagia.ro/actori/louis-mandylor-15417/).
Before acting, Mandylor was an athlete. He played for Heidelberg United FC (Megas Alexandros) in the club's 1988 State League championship team, appeared in five [National League](https://www.edgepedia.org/national-league) games in 1989, and scored one goal[1](https://www.valeorine.com/reference/louis-mandylor). During his soccer years he also boxed in Melbourne, winning 14 fights against 4 losses[1](https://www.valeorine.com/reference/louis-mandylor). Fandango's career summary adds that he worked as a stuntman and as a doorman at a disco in Australia before following his brother to Hollywood[3](https://www.fandango.com/people/louis-mandylor-429109). A 1993 profile of the two brothers in the *Deseret News* described them as former soccer players turned actors with no rivalry between them; Costas said, "I am his big brother and I protect him"[8](https://www.deseret.com/1993/1/8/19025872/there-s-no-rivalry-between-tv-s-mandylor-brothers/).
## Acting career
**Television breakthrough.** Mandylor's early American television work included the Fox sitcom *Down the Shore* and, from 1998, the role of Detective Louis Malone on the CBS series *Martial Law*, opposite [Sammo Hung](https://www.edgepedia.org/sammo-hung)[8](https://www.deseret.com/1993/1/8/19025872/there-s-no-rivalry-between-tv-s-mandylor-brothers/) • [5](https://www.adorocinema.com/personalidades/personalidade-81950/filmografia/). According to his IMDb biography, he was one of the finalists for the role of Joey on *Friends* before [Matt LeBlanc](https://www.edgepedia.org/matt-leblanc) won the part; he later appeared on the show as Joey's doppelgänger, Carl, in "The One with Unagi" (2000)[6](https://www.imdb.com/es/name/nm0541909/bio/).
**My Big Fat Greek Wedding.** Mandylor played Nick Portokalos, the brother of Toula Portokalos, in the 2002 comedy *My Big Fat Greek Wedding*, which IMDb describes as an Academy Award-nominated box office hit[9](https://www.imdb.com/name/nm0541909). He carried the role through the franchise: the short-lived spin-off series *My Big Fat Greek Life* (2003), the sequel *My Big Fat Greek Wedding 2* (2016), and *[My Big Fat Greek Wedding 3](https://www.edgepedia.org/my-big-fat-greek-wedding-3)* (2023), in which the family travels to Greece for a reunion[1](https://www.valeorine.com/reference/louis-mandylor). Nia Vardalos, the franchise's writer and star, said of him in a 2025 interview, "Louis has created an entire career for himself"[10](https://www.greeknewsusa.com/wp-content/uploads/2025/01/GNUSA_v4_n64_Jan23_2025_WEB.pdf).
**Action films.** From the 2010s onward Mandylor worked steadily in independent action cinema. He played Sue, a grizzled debt collector, in *The Debt Collector* (2018) opposite [Scott Adkins](https://www.edgepedia.org/scott-adkins) and reprised the role in *The Debt Collector 2* (2020)[5](https://www.adorocinema.com/personalidades/personalidade-81950/filmografia/). Reviewers singled the performance out: The Action Elite called his monologue about why he drinks "one of the finest acting moments of his career"[9](https://www.imdb.com/name/nm0541909). His other action credits include Detective O'Hara in *Avengement* (2019), the Sheriff in *Rambo: Last Blood* (2019), Martinez in *The Doorman* (2020), and Major Maitland in *Hell Hath No Fury* (2021)[11](https://www.metacritic.com/person/louis-mandylor/). He also appeared in *The Offer*, Paramount+'s series about the making of *The Godfather*, opposite [Miles Teller](https://www.edgepedia.org/miles-teller)[2](https://www.giftboxfilms.com/louis).
## Directing and producing
Mandylor moved behind the camera with the short film *My Brother Cicero* (1998), which he produced and co-wrote and in which he starred alongside his brother Costas[6](https://www.imdb.com/es/name/nm0541909/bio/). His feature directing credits include *In the Eyes of a Killer* (2009), *The Blackout* (2014), *Blindsided* (2018), *Christmas Down Under* (2021), *3 Days in Malay* (2023), *[Operation Blood Hunt](https://www.edgepedia.org/operation-blood-hunt)* (2024), *Paralysis* (2025), and *Prisoner of War* (2025)[9](https://www.imdb.com/name/nm0541909/). His production company site describes him as one of the most prolific directors in independent action cinema and notes that the World War II film *Prisoner of War* was recognized by genre publications as one of the year's standout action films[2](https://www.giftboxfilms.com/louis). Upcoming directing projects include *Marx*, an action drama starring [Mekhi Phifer](https://www.edgepedia.org/mekhi-phifer) and Bren Foster, and *Boxing Kid*, in which he also plays Jeff[2](https://www.giftboxfilms.com/louis) • [9](https://www.imdb.com/name/nm0541909/).
His producing credits run from associate producer on *The Mercenary* (2019) to executive producer on *Frankenstein* (2021) and *Blowback* (2022) and producer on *Prisoner of War* (2025)[9](https://www.imdb.com/name/nm0541909/). He works with producing partner Marc Clebanoff as a partner of Odyssey Motion Pictures[2](https://www.giftboxfilms.com/louis).
## Working with his brother
The Mandylor brothers have shared the screen several times. They played murderous ghost brothers in the *Charmed* episode "Saving Private Leo" (2002) and appeared together in the crime thriller *Sinners and Saints* (2010)[4](https://www.cinemagia.ro/actori/louis-mandylor-15417/). *My Brother Cicero* (1998), the short film Louis wrote and produced, starred both of them[1](https://www.valeorine.com/reference/louis-mandylor).
## Reception and assessment
Metacritic lists 31 films for Mandylor with an average career score of 39, ranging from a high of 63 for *Avengement* (2019) to a low of 22 for *Take* (2007)[11](https://www.metacritic.com/person/louis-mandylor/). The Action Elite, profiling his career, counted more than 170 film and television credits and described his directing style as "clear-eyed and character-first, grounded in performance but never afraid to lean into grit"[12](https://theactionelite.com/action-integrity-impact-the-louis-mandylor-effect/). In mainstream coverage of *My Big Fat Greek Wedding 3*, an Associated Press review noted that his character Nick had been "saddled with an ugly habit, namely trimming nose hairs and toenails at the family table", a running gag in the film[13](https://apnews.com/article/0411381901ba914db7a7d1bd4c1904f2).
## Personal life
Mandylor is married to Kristina Petrova and the couple has one child[6](https://www.imdb.com/es/name/nm0541909/bio/). His IMDb biography lists muay thai among his skills and records that he played soccer professionally in Australia from age 16 to 20[6](https://www.imdb.com/es/name/nm0541909/bio/).
## References
1. [Louis Mandylor, VALÉORINE Encyclopedia](https://www.valeorine.com/reference/louis-mandylor)
2. [Louis Mandylor · Actor · Director · Producer, Gift Box Films](https://www.giftboxfilms.com/louis)
3. [Louis Mandylor Overview, Fandango](https://www.fandango.com/people/louis-mandylor-429109)
4. [Louis Mandylor, CineMagia.ro](https://www.cinemagia.ro/actori/louis-mandylor-15417/)
5. [Louis Mandylor: Filmografia, AdoroCinema](https://www.adorocinema.com/personalidades/personalidade-81950/filmografia/)
6. [Louis Mandylor Biography, IMDb](https://www.imdb.com/es/name/nm0541909/bio/)
7. [Costas Mandylor, IMDb](https://www.imdb.com/name/nm0541908/fullcredits)
8. [There's No Rivalry Between TV's Mandylor Brothers, Deseret News (1993)](https://www.deseret.com/1993/1/8/19025872/there-s-no-rivalry-between-tv-s-mandylor-brothers/)
9. [Louis Mandylor, IMDb](https://www.imdb.com/name/nm0541909)
10. [GreekNewsUSA #64, January 23, 2025](https://www.greeknewsusa.com/wp-content/uploads/2025/01/GNUSA_v4_n64_Jan23_2025_WEB.pdf)
11. [Louis Mandylor, Metacritic](https://www.metacritic.com/person/louis-mandylor/)
12. [Action, Integrity, Impact: The Louis Mandylor Effect, The Action Elite](https://theactionelite.com/action-integrity-impact-the-louis-mandylor-effect/)
13. [Movie Review: In 'Big Fat Greek Wedding 3,' the wedding's in Greece, Associated Press (2023)](https://apnews.com/article/0411381901ba914db7a7d1bd4c1904f2)
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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 › Australian actors › Surnames L to N*
*Initially written Sep 17, 2026 · Reviewed: Sep 17, 2026; Sep 18, 2026; Oct 25, 2026 · Edited: Sep 18, 2026; 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