Dexter Riley
Kurt Russell
A.J. Arno
Cesar Romero
Dean Higgins
Joe Flynn
Professor Quigley
William Schallert
Dean Collingsgood
Alan Hewitt
Pete Oatzel
Frank Webb
R. Schuyler
Michael McGreevey
Chillie Walsh
Richard Bakalyan
Annie
Debbie Paine
Bradley
Jon Provost
Pete
Frank Webb
Henry Fathington
Frank Welker
Myles
Alex Clarke
Angelo
Bing Russell
Moderator
Pat Harrington
Sigmund Van Dyke
Fritz Feld
Extra
Kenner G. Kemp
Little Mac
Fabian Dean
Collingsgood Associate (uncredited)
Leon Alton
Lt. Hannah
Pete Renoudet
Student (uncredited)
Ed Begley Jr.
J. Reedy
Hillyard Anderson
Winifred - Dean's Secretary (uncredited)
Gail Bonney
Mr. Walski (uncredited)
David Canary
Police Turnkey (uncredited)
John Cliff
Moderator (uncredited)
Howard Culver
College of Knowledge Attendee (uncredited)
George DeNormand
Dietes - College Regent (uncredited)
William Fawcett
Henry
Frank Welker
Moderator
Howard Culver
Police Desk Sergeant (uncredited)
Robert Foulk
Police Detective at Raid (uncredited)
Duane Grey
Police Detective (uncredited)
Myron Healey
Crew Member (uncredited)
George Hoagland
Scientist (uncredited)
Jonathan Hole
Racetrack Patron (uncredited)
Michael Jeffers
(uncredited)
Heather Menzies
Leonard - College Regent (uncredited)
Byron Morrow
College of Knowledge Sponsor (uncredited)
George N. Neise
Police Officer (uncredited)
Joe Phillips
Detective in Gambling Raid (uncredited)
Judson Pratt
Casino Patron (uncredited)
Leoda Richards
Croupier (uncredited)
Cosmo Sardo
Man Seated in Control Room (uncredited)
Jeffrey Sayre
Party Guest (uncredited)
Maida Severn
TV Reporter (uncredited)
Olan Soule
Dr. Rufus Schmidt (uncredited)
Gregory Morton