Colin O'Brien
Biography
Colin O'Brien is an American actor who was born in The Woodlands and began performing in musical theater at five years old. In 2021 he took his first part in a large-scale production, The Mothership, which starred Halle Berry. He then played Willy Wonka as a child in Wonka (2023), with Sally Hawkins as Mrs. Wonka, and worked with Donald Sutherland in Mr. Harrigan's Phone (2022), playing Craig Poole at a younger age, the role Jaeden Martell took. His first starring part came as Edward Adler in Dear Edward, an Apple TV+ series with Connie Britton and Taylor Schilling, a performance that earned him a Young Artist Award nomination and praise from critics, including Time calling him a luminous newcomer. He also guest starred in S.W.A.T. as Matthew Kay and in Grey's Anatomy as Grayson Friedman, and he appeared with Theo James in The Monkey (2025), written and directed by Osgood Perkins.
18years old
Turns 19 on January 16in 67 days
- Born The Woodlands
- Star sign: CapricornThe sign runs December 22 to January 19
- Also credited as Colin Delaine O'Brien
Movie Career
- Films
- 3
- Career span
- 3 years2022 to 2025
Every film, newest first
- 2025The MonkeyIMDb rating 5.9
- 2023WonkaIMDb rating 6.9
- 2022Mr. Harrigan's PhoneIMDb rating 6.0
Genres
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First role
Colin O'Brien started in musical theater when he was five. In 2021, he got his first part in a major production, The Mothership, which stars Halle Berry.
Big break
O'Brien played Willy Wonka as a child in Wonka, cast as a young Timothée Chalamet, with Sally Hawkins as Mrs. Wonka. That role made his career begin to accelerate.
Colin O'Brien movies on Netflix
The Monkeyas Petey
Wonkaas Young Willy Wonka
Mr. Harrigan's Phoneas Young Craig
Worked with
Colin O'Brien made one film with each of them. Pick a number on the chart or a name in the list to see the films they share.








Films together
Donald Sutherland1 film together, 2022
Donald Sutherland's page Mr. Harrigan's Phone2022IMDb rating 6.0O'Brien as Young CraigSutherland as Mr. Harrigan
Elijah Wood1 film together, 2025
Elijah Wood's page The Monkey2025IMDb rating 5.9O'Brien as PeteyWood as Ted
Hugh Grant1 film together, 2023
Hugh Grant's page Wonka2023IMDb rating 6.9O'Brien as Young Willy WonkaGrant as Oompa Loompa
Adam Scott1 film together, 2025
Adam Scott's page The Monkey2025IMDb rating 5.9O'Brien as PeteyScott as Captain Petey Shelborn
Jim Carter1 film together, 2023
Jim Carter's page Wonka2023IMDb rating 6.9O'Brien as Young Willy WonkaCarter as Abacus Crunch
Keegan-Michael Key1 film together, 2023
Keegan-Michael Key's page Wonka2023IMDb rating 6.9O'Brien as Young Willy WonkaKey as Chief of Police
Paul KingDirector, 1 film, 2023
All films by Paul King Wonka2023IMDb rating 6.9O'Brien as Young Willy Wonka
Osgood PerkinsDirector, 1 film, 2025
All films by Osgood Perkins The Monkey2025IMDb rating 5.9O'Brien as Petey
John Lee HancockDirector, 1 film, 2022
All films by John Lee Hancock Mr. Harrigan's Phone2022IMDb rating 6.0O'Brien as Young Craig
Online
Official profiles and reference pages.
