Kurt Russell

Character: Dexter Riley

Joe Flynn

Character: Dean Higgins

Eve Arden

Character: Harriet

Cesar Romero

Character: A.J. Arno

Phil Silvers

Character: Krinkle

Dick Van Patten

Character: Harry

Harold Gould

Character: Dietz

Michael McGreevey

Character: Schuyler

Richard Bakalyan

Character: Cookie

William Schallert

Character: Prof. Quigley

Benson Fong

Character: Ah Fong

James Gregory

Character: Chief Blair

John Debney

Character: John (Student)

Derrel Maury

Character: Hector (Student)

David R. Ellis

Character: David (Student)

Roy Roberts

Character: Mr. Roberts

Fritz Feld

Character: Uncle Frederick

Ronnie Schell

Character: Referee

Raymond Bailey

Character: Regent Burns

Dick Patterson

Character: Mr. Secretary

Larry Gelman

Character: Larry

Kathleen Freeman

Character: Officer Hurley

Ned Wertimer

Character: Mr. Parsons

Milton Frome

Character: Mr. Lufkin

Laurie Main

Character: Mr. Reedy

Mary Treen

Character: Mercedes

Eddie Quillan

Character: Mr. Willoughby

Burt Mustin

Character: Regent Appleby

Arthur Space

Character: Regent Shaw

Bill Zuckert

Character: Policeman

Larry J. Blake

Character: Pete

William Bakewell

Character: Professor

Art Metrano

Character: TV Color Man

Lennie Weinrib

Character: State Coach

Francis De Sales

Character: Regent (uncredited)

Harry Holcombe

Character: Regent (uncredited)

John Holland

Character: Regent (uncredited)

Gordon Jump

Character: Krinkle Krunch Executive (uncredited)

Jack Perkins

Character: School Security Guard (uncredited)

Cosmo Sardo

Character: Crumply Crunch Executive (uncredited)

Jeffrey Sayre

Character: Crumply Crunch Executive (uncredited)

Larry Franco

Character: Larry (Student)

Jonathan Daly

Character: T.V. Announcer

Lomax Study

Character: Krinkle Krunch Executive (uncredited)

Roger Callard

Character: Weightlifter Kawaski