Kurt Russell
Dexter Riley

Cesar Romero
A.J. Arno

Joe Flynn
Dean Higgins

William Schallert
Professor Quigley

Alan Hewitt
Dean Collingsgood

Richard Bakalyan
Chillie Walsh

Debbie Paine
Annie

Frank Welker
Henry

Frank Webb
Pete

Michael McGreevey
Schuyler

Jon Provost
Bradley

Bing Russell
Angelo

Pat Harrington, Jr.
Moderator

Fritz Feld
Sigmund Van Dyke

Kenner G. Kemp
Extra

Leon Alton
Collingsgood Associate (uncredited)

Ed Begley Jr.
Student (uncredited)

Gail Bonney
Winifred - Dean's Secretary (uncredited)

David Canary
Mr. Walski (uncredited)

John Cliff
Police Turnkey (uncredited)

Howard Culver
Moderator (uncredited)

George DeNormand
College of Knowledge Attendee (uncredited)

William Fawcett
Dietes - College Regent (uncredited)

Robert Foulk
Police Desk Sergeant (uncredited)

Duane Grey
Police Detective at Raid (uncredited)

Myron Healey
Police Detective (uncredited)

George Hoagland
Crew Member (uncredited)

Jonathan Hole
Scientist (uncredited)

Michael Jeffers
Racetrack Patron (uncredited)

Byron Morrow
Leonard - College Regent (uncredited)

George N. Neise
College of Knowledge Sponsor (uncredited)

Joe Phillips
Police Officer (uncredited)

Judson Pratt
Detective in Gambling Raid (uncredited)

Leoda Richards
Casino Patron (uncredited)

Cosmo Sardo
Croupier (uncredited)

Jeffrey Sayre
Man Seated in Control Room (uncredited)

Maida Severn
Party Guest (uncredited)

Olan Soule
TV Reporter (uncredited)

Gregory Morton
Dr. Rufus Schmidt (uncredited)

Hal Taggart
Waiter at Track (uncredited)

Peter Renaday
Lt. Hannah

Heather Menzies
Priscilla's Lady in Waiting (uncredited)

Arthur Tovey
Pedestrian (uncredited)

Mark Russell
Crew Member (uncredited)