Rhys Coiro
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.
Also recorded as Rhys J. Coiro · John Rhys Coiro
Rhys Coiro

Elena Welles · Rust in Peace | Videos Movies on Vimeo · CC BY-SA 3.0
- Name
- Rhys Coiro
- Birth Name
- Rhys John Coiro
- Born
- 12 March 1979
- Birthplace
- Calabria, Italy
- Education
- Carnegie Mellon University (BFA)
- Occupation
- Actor
- Nationality
- United States.
- Languages
- English and Italian.
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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.
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Authority files
wikidata · Q685861 · wikipedia · Rhys Coiro
In this article
Key facts
Key facts
• Name — Rhys Coiro • Birth Name — Rhys John Coiro • Born — 12 March 1979 • Birthplace — Calabria, Italy • Education — Carnegie Mellon University (BFA) • Occupation — Actor • Years Active — 2003–present
Early life
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.
Theater
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.
Personal life
Personal life
He is married to film director Kat Coiro. They have three children and live in Los Angeles.
Television
Television
• Year || Title || Role || Notes • 2003 — One on One — Zorbo Vishanisavik — Guest star • 2003, 2007 — CSI: Crime Scene Investigation — Kelly James / Reverend's Lawyer — 2 episodes • 2004–2011 — Entourage — Billy Walsh — Recurring character • 2005 — Six Feet Under — Wolf — Guest star • CSI: Miami — Diablo — Guest star • CSI: NY — Razor — Guest star • 2006 — Ugly Betty — Vincent Bianchi — 2 episodes: "Queens for a Day", "Fey's Sleigh Ride" • 2007 — Numb3rs — Ricky Jones — Guest star • Criminal Minds — Ethan — Guest star • Raines — Eddie — Guest star • Tell Me You Love Me — Jaime's Rebound — 2 episodes • 2009 — 24 — FBI Agent Sean Hillinger — Regular character • 2010 — Burn Notice — Vince Cutler — Guest star • Dark Blue — Victor — Guest star • Hawaii Five-0 — Bradford Matinsky — Guest star • 2011–2012 — Dr. Zeke Barnes — Recurring character • 2012 — Person of Interest — Jordan Hester — Guest star • 2013 — Dexter — Andrew Briggs — Guest star • Longmire — Bill Norquist — Guest star • 2013–2014 — Hostages — Kramer Delaney — Main cast • 2013, 2021 — Law & Order: Special Victims Unit — Santiago Morales / Gabe Navarro — 2 episodes • 2014 — Franklin & Bash — The Bone — Guest star • Lilyhammer — Tommy Mangano — Recurring character • 2015 — The Lizzie Borden Chronicles — Chester Phipps — 3 episodes • Texas Rising — Vern Elwood — 5 episodes • Graceland — Ari Adamian — Recurring character • 2017 — Ray Donovan — Rob Heard — Recurring character • The Mick — Ip deLuca — Guest star • 2018 — Unsolved — Jim Black — Recurring character • Sideswiped — Charlie — Recurring character • S.W.A.T. — Remy — Guest star • The Walking Dead — Jed — Recurring character • 2019 — I Think You Should Leave — Billy — Episode: "The Bones Are Their Money" • 2021 — Paradise City — Adam — 8 episodes; TV spinoff of American Satan • 2022 — She-Hulk: Attorney at Law — Donny Blaze — Guest star • 2024 — The Spiderwick Chronicles — Richard Grace — 2 episodes • The Penguin — Sebastian Hady — Guest star
Identity and origins
Identity and origins
The authorities additionally record the headings Rhys J. His recorded languages were English and Italian. He married Kat Coiro.
Places
Named by the record
Places
Only places the record itself states, plotted where the house gazetteer settles their coordinates. Nothing is inferred from a name or a nationality.
Los Angeles.
Residences
Calabria.
Birth place
Film & television
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.
Film
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 — Simon • 2025 — Trust — Darren • Lear Rex — Oswald — Post-production • A Great Depression — Post-production
Primary material
Documents and archives
reference work
- “Rhys Coiro”, English Wikipedia, consulted as further reading
Reputable secondary · Wikipedia
authority record
- Wikidata, structured authority record Q685861: Rhys Coiro
Unverified · Wikidata
Literature
Scholarly footprint
A count of publications is evidence of attention, not of standing, and is given here only as a measure.
Citations
References
Each reference names the institution holding it, so a reader may go to the document itself.
reference work
Partially resolvedauthority record
Unverified
The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 15 August 2026.
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