Roddy McDowall
Caesar
Acting
Don Murray
Breck
Acting
Ricardo Montalban
Armando
Acting
Hari Rhodes
MacDonald
Acting
Severn Darden
Kolp
Acting
Lou Wagner
Busboy
Acting
Natalie Trundy
Lisa
Acting
John Randolph
Commission Chairman
Acting
Asa Maynor
Mrs. Riley
Acting
Joyce Haber
Zelda
Acting
H.M. Wynant
Hoskyns
Acting
David Chow
Aldo
Acting
Buck Kartalian
Frank - Gorilla
Acting
John Dennis
Policeman
Acting
Paul Comi
2nd Policeman
Acting
Gordon Jump
Auctioneer
Acting
Dick Spangler
Announcer
Acting
Hector Soucy
Ape With Chain
Acting
James Bacon
Ape (uncredited)
Acting
Rayford Barnes
Riot Control Commander in Plaza (uncredited)
Acting
William Bryant
Man at Auction (uncredited)
Acting
Jean Byron
Book Store Owner (uncredited)
Acting
Sam Chew Jr.
Controller (uncredited)
Acting
Francis De Sales
Auction Attendee (uncredited)
Acting
Peter Eastman
Auction Attendee (uncredited)
Acting
Erin Fleming
Cafe Customer (uncredited)
Acting
Daniel Keough
Jailguard (uncredited)
Acting
Ron Pinkard
Controller (uncredited)
Acting
Jeffrey Sayre
Restaurant Chef (uncredited)
Acting
Ruth Foster
Woman in Plaza (uncredited)
Acting