Cast and Crew of Thumbsucker

Thumbsucker

Justin Cobb, a teenager in suburban Oregon, copes with his thumb-sucking problem, romance, and his diagnosis with ADHD and subsequent experience using Ritalin.

Main Cast of Thumbsucker

Andrew Lawrence as TJ Detweiler (voice)

Andrew Lawrence

TJ Detweiler (voice) (101 episodes)
Rickey D'Shon Collins as Vince LaSalle (voice)

Rickey D'Shon Collins

Vince LaSalle (voice) (127 episodes)
Jason Davis as Mikey Blumberg (voice)

Jason Davis

Mikey Blumberg (voice) (127 episodes)
Courtland Mead as Gus Griswald (voice)

Courtland Mead

Gus Griswald (voice) (127 episodes)

Secondary Cast of Thumbsucker

Ross Malinger as TJ Detweiler (voice)

Ross Malinger

TJ Detweiler (voice) (26 episodes)
Erik von Detten as Erwin Lawson (voice)

Erik von Detten

Erwin Lawson (voice) (3 episodes)
Blake McIver Ewing as Menlow (voice)

Blake McIver Ewing

Menlow (voice) (1 episode)
April Winchell as Miss Finster (voice)

April Winchell

Miss Finster (voice) (1 episode) , Miss Muriel P Finster (voice) (8 episodes)
Allyce Beasley as Miss Alordayne Grotkey (voice)

Allyce Beasley

Miss Alordayne Grotkey (voice) (7 episodes)
Francesca Marie Smith as Ashley 'Ashley B' Boulet / Upside-Down Girl / Swinger Girl (voice)

Francesca Marie Smith

Ashley 'Ashley B' Boulet / Upside-Down Girl / Swinger Girl (voice) (2 episodes) , Ashley 'Ashley B' Boulet (voice) (2 episodes)
Rachel Crane as Ashley 'Ashley Q' Quinlan (voice)

Rachel Crane

Ashley 'Ashley Q' Quinlan (voice) (4 episodes)
John Astin as Supt. Skinner (voice)

John Astin

Supt. Skinner (voice) (1 episode)
Lane Toran as King Bob (voice)

Lane Toran

King Bob (voice) (10 episodes)
Anndi McAfee as Ashley 'Ashley A' Armbruster (voice)

Anndi McAfee

Ashley 'Ashley A' Armbruster (voice) (9 episodes)
Cathy Moriarty as Dr. Fitzenberg (voice)

Cathy Moriarty

Dr. Fitzenberg (voice) (1 episode)

Jeff Wright

Hank the Janitor (voice) (1 episode)

Riley Brock

Big Kid (voice) (1 episode)

Ryan O'Donohue

Randall Weems (voice) (3 episodes) , Randall Weems / Digger Dave (voice) (5 episodes)

Crew of Thumbsucker

Full backstage crew list →