Hank Cooper

Ed Asner

Coach Venner

Don Knotts

Andy Petrovic

Gary Grimes

Crankcase

Tim Conway

Debbie Kovac

Liberty Williams

Debbie Kovac

Louise Williams

Cal Wilson

Dick Van Patten

Joe Barnsdale

Ronnie Schell

Pepper

Bob Crane

Johnny Unitas

Johnny Unitas

Rob Cargil

Dick Butkus

Charles Gwynn

Harold Gould

Spinner

Tom Bosley

Reporter

Virginia O'Brien

Atoms' Announcer

Dick Enberg

Papa Petrovic

Titos Vandis

Mama Petrovic

Hanna Hertelendy

Asst. Warden

Kenneth Tobey

TV Interviewer

George Putnam

LA Sportscaster

Stu Nahan

Dr. Morgan

Liam Dunn

Tall Man

Richard Kiel

Atoms player (sideline & showers) (uncredited)

Fred Dryer

Butcher

Warde Donovan

Locker Room Announcer

Larry Burrell

Hotel Clerk

Irwin Charone

Calvin Barnes

Timothy Brown

Molly Petrovic

Hanna Landy

Stjepan Petrovic

Jackson Bostwick

Pemberton Captain

John Orchard

Fan at W.A.X.

Henry Slate

N.Y. Broadcaster

Larry McCormick

Referee

Danny Wells

Mayor

Jack Manning

Nurse

Jeanne Bates

Fan's Wife

Iris Adrian

Coach Garcia

James Almanzar

Mammoth Coach

James Brown

Lukom

Milton Frome

Grocery Store Mgr.

Bryan O'Byrne