Friminutt: Skolefri

Andrew Lawrence

T.J. Detweiler (voice)

Rickey D'Shon Collins

Vince La Salle (voice)

Pamela Adlon

Spinelli (voice)

Ashley Johnson

Gretchen Grundler (voice)

Jason Davis

Mikey Blumberg (voice)

Courtland Mead

Gus Griswald (voice)

April Winchell

Ms. Finster / Mrs. Detweiller (voice)

Dabney Coleman

Principal Peter Prickly (voice)

Ryan O'Donohue

Digger Dave / Randall (voice)

Robert Goulet

Mikey's Singing Voice (voice)

Melissa Joan Hart

Becky (voice)

Peter MacNicol

Fenwick (voice)

Tony Jay

Dr. Rosenthal (voice)

James Woods

Dr. Phillium Benedict (voice)

Andrea Martin

Lunchlady Harriet (voice)

Tress MacNeille

Lunchlady Irma / Ms. Lemon / Opera Director / Dr. Steinheimer (voice)