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