Fan Casting Colin O'Brien as Tweek Tweak in South Park

evanbakerian made this fan casting suggestion on June 20, 2025. What do you think? See below to cast your vote, or click here to see all fan casting suggestions for this role.

Colin O'Brien as Tweek Tweak in South Park

Colin O'BrienUnited States

14 years old
Colin O'Brien (born October 15, 2010) is an American actor. He is best known for his role as Edward on the television series Dear Edward (2023). He also had roles in the films Mr. Harrigan's Phone ...
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South Park

South Park

A live action South Park movie
by Trey Parker & Matt Stone
Follows the misadventures of four irreverent grade-schoolers in the quiet, dysfunctional town of South Park, Colorado.
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Colin O'Brien is known for his roles in Wonka, Mr. Harrigan's Phone, and The Monkey. He has been suggested by fans for 8 roles on myCast, including Isaac in Richman’s: Children of the Corn (2025). Similar actors include Christian Convery, Paxton Booth, and Timothée Chalamet. Colin O'Brien was suggested to play Tweek Tweak in South Park by evanbakerian. Other actors sugggested to play this role include Louis Ashbourne Serkis, Mason Thames, and Walker Scobell. South Park has 101 roles, including Wendy Testaburger, Kenny McCormick, and Kyle Broflovski.

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