Jan-Michael Vincent as Nanu

Tim Conway as Milo Jackson

John Amos as Coach Sam Archer

Roscoe Lee Browne as Gazenga

Dayle Haddon as Jane

Billy De Wolfe as Dean Maxwell

Nancy Walker as Mrs. Petersen

Vito Scotti as Games spectator

Howard Cosell as Himself - Announcer

Frank Gifford as Himself - Announcer

Jim McKay as Himself - Announcer

Dorothy Shay as

Liam Dunn as Dr. Winslow

Clarence Muse as Gazenga's Assistant

Al Checco as Dr. Checco

Danny Goldman as Leopold Maxwell

Don Pedro Colley as Morumba

Leon Askin as Dr. Gottlieb

Joe Kapp as Buzzer Kozak

Leigh Christian as

Virginia Capers as Native Woman

Philip Ahn as Old Chinaman

John Lupton as Race Starter

Sarah Selby as Woman on Safari

Russ Conway as Judge with Stopwatch

Dick Wilson as Drunk in Bar

Jack Griffin as

David Mooney as

David Armstrong as Judge (uncredited)

Pete Carroll as Running Back (uncredited)

Spencer Chan as Commuter (uncredited)

Edward Coch Jr. as Spectator (uncredited)

Robert Cole as Judge (uncredited)

Peter Eastman as Party Guest (uncredited)

Bob Harks as Party Guest (uncredited)

Eugene Jackson as Party Guest (uncredited)

Marlene Kisker as Clerk (uncredited)

Hans Moebus as Party Guest (uncredited)

John Pedrini as Party Guest (uncredited)

Al Roberts as Coach (uncredited)

Hank Robinson as Reporter (uncredited)

Owen Song as Spectator (uncredited)