About Rhys Coiro
Born 1979. Rhys Coiro is an American actor, stage actor, television actor and film actor.
Rhys John Coiro (born March 12, 1979) is an American actor known for his work in film, television and theater. He is best known for his role as filmmaker Billy Walsh in the HBO series Entourage.
Early life Coiro was born in Calabria, Italy, and grew up Washington, D.C., New York City, and Upstate New York before his family settled in Princeton, New Jersey, when he was 9 years old. He studied theater at Carnegie Mellon University (CMU) earning a BFA and also trained at the Moscow Art Theatre in Russia.
Career
Theater At age 19, Coiro got his first professional gig as an understudy to three roles in the American premiere of Conor McPherson's off-Broadway play This Lime Tree Bower directed by Harris Yulin at Primary Stages.
Within a month of graduating from CMU, Coiro landed the role of Eddie the Bellhop in the Lincoln Center revival of George S. Kaufman's Dinner at Eight, directed by Gerald Gutierrez.
In 2009, Coiro returned to the theatre, starring in a production of Howard Korder's Boys' Life at Second Stage in New York opposite Jason Biggs.
In 2023, Coiro returned to Lincoln Center Theater, originating the role of Noah in the Off-Broadway premiere of The Coast Starlight by Keith Bunin, directed by Tyne Rafaeli.
Film & television In 2004, Coiro was cast as filmmaker Billy Walsh in HBO's Entourage. He portrayed the character throughout the show's run.
In 2010, Coiro starred in Slamdance winner Snow and Ashes and in 2011 appeared alongside Alexander Skarsard in Screen Gems' remake of Straw Dogs.
In 2014, Coiro was antagonist to Stevie Van Zandt's character on the final season of Netflix's first original series, the Norwegian mega-hit Lillyhammer and he played one of the original Texas Rangers in The History Channel's mini-series Texas Rising, alongside Ray Liotta, Bill Paxton and Brendan Fraser.
In 2015, Coiro played Armenian gangster Ari Adamian on the final season of USA's Graceland.
In 2017 and 2018, Coiro appeared as a series regular in Unsolved and in arcs on Ray Donovan, The Walking Dead, and S.W.A.T.
In 2019, Coiro appeared opposite Tim Robinson in the "The Bones Are Their Money" musical sketch from I Think You Should Leave with Tim Robinson, which became one of the series' most widely recognized sketches.
In 2022, Coiro made his Marvel Cinematic Universe debut as stage magician Donny Blaze in She-Hulk: Attorney at Law.
In 2024, Coiro appeared as Gotham City councilman Sebastian Hady in HBO's The Penguin.
Personal life He is married to film director Kat Coiro. They have three children and live in Los Angeles.
Filmography
Film Year Title Role Notes 2003 Making Revolution Italian Activist 2007 Look Ace Mama's Boy Trip 2009 Mr. Shields Kidnapping Caitlynn Daniel Man Without a Head Dino 2010 Snow and Ashes Blaise Dumas High School Vato Order of Chaos John MacGruber Yerik Novikov 30 Days of Night: Dark Days Paul 2011 A Good Old Fashioned Orgy Marcus Life Happens Marc Straw Dogs Norman 2013 Chlorine Pat As Cool as I Am Ron 2014 Electric Slide Glen the Mormon This Last Lonely Place Sam Taylor 4 Minute Mile Eli 2015 Entourage Billy Walsh Hollywood Adventures Gary Buesheimer Forever Gordon 2016 Chronically Metropolitan The Georgian 2017 Valley of Bones Nate Dead Ant Pager 2018 Gotti Rudy Pipes 2019 Finding Steve McQueen Ray Darrow Hustlers Spencer 2022 Agent Game Reese One Way Coco Who Invited Charlie? Ray 2024 Running on Empty Simon2025 Trust Darren Lear Rex Oswald Post-production A Great Depression Post-production
Television
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Important facts
Family & relationships
People in Rhys Coiro's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Rhys Coiro's
Frequently asked questions
Who is Rhys Coiro?
American actor
When was Rhys Coiro born?
Rhys Coiro was born on 12 March 1979 in Calabria.
What is Rhys Coiro's occupation?
Rhys Coiro is an actor, stage actor, television actor and film actor.
What nationality is Rhys Coiro?
Rhys Coiro is American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Rhys Coiro. https://biography.guide/rhys-coiro/
MLA: "Rhys Coiro." Biography.guide, https://biography.guide/rhys-coiro/.
Chicago: "Rhys Coiro." Biography.guide. https://biography.guide/rhys-coiro/.
Data last updated: 2026-09-22 · Spot an error? Report a correction.
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