 Roddy McDowallCaesar | Caesar |
 Don MurrayBreck | Breck |
 Ricardo MontalbanArmando | Armando |
 Hari RhodesMacDonald | MacDonald |
 Severn DardenKolp | Kolp |
 Lou WagnerBusboy | Busboy |
 Natalie TrundyLisa | Lisa |
 John RandolphCommission Chairman | Commission Chairman |
| AAsa MaynorMrs. Riley | Mrs. Riley |
| JJoyce HaberZelda | Zelda |
 H.M. WynantHoskyns | Hoskyns |
 David ChowAldo | Aldo |
 Buck KartalianFrank - Gorilla | Frank - Gorilla |
 John DennisPoliceman | Policeman |
 Paul Comi2nd Policeman | 2nd Policeman |
 Gordon JumpAuctioneer | Auctioneer |
| DDick SpanglerAnnouncer | Announcer |
| HHector SoucyApe With Chain | Ape With Chain |
 James BaconApe (uncredited) | Ape (uncredited) |
 Rayford BarnesRiot Control Commander in Plaza (uncredited) | Riot Control Commander in Plaza (uncredited) |
 William BryantMan at Auction (uncredited) | Man at Auction (uncredited) |
 Jean ByronBook Store Owner (uncredited) | Book Store Owner (uncredited) |
 Sam Chew Jr.Controller (uncredited) | Controller (uncredited) |
 Francis De SalesAuction Attendee (uncredited) | Auction Attendee (uncredited) |
| PPeter EastmanAuction Attendee (uncredited) | Auction Attendee (uncredited) |
| EErin FlemingCafe Customer (uncredited) | Cafe Customer (uncredited) |
 Daniel KeoughJailguard (uncredited) | Jailguard (uncredited) |
| RRon PinkardController (uncredited) | Controller (uncredited) |
 Jeffrey SayreRestaurant Chef (uncredited) | Restaurant Chef (uncredited) |
 Ruth FosterWoman in Plaza (uncredited) | Woman in Plaza (uncredited) |
