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

Joyce Haber

Zelda

H.M. Wynant

Hoskyns

David Chow

Aldo

Buck Kartalian

Frank - Gorilla

John Dennis

Policeman

Paul Comi

2nd Policeman

Gordon Jump

Auctioneer

Dick Spangler

Announcer

Hector Soucy

Ape With Chain

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)

Peter Eastman

Auction Attendee (uncredited)

Erin Fleming

Cafe Customer (uncredited)

Daniel Keough

Jailguard (uncredited)

Ron Pinkard

Controller (uncredited)

Jeffrey Sayre

Restaurant Chef (uncredited)

Ruth Foster

Woman in Plaza (uncredited)

Paul Dehn

Screenplay

Bruce Surtees

Director of Photography

Marjorie Fowler

Editor

Alan Jaggs

Editor

J. Lee Thompson

Director

Arthur P. Jacobs

Producer

Tom Scott

Original Music Composer

Jack Hirshberg

Unit Publicist

Don Record

Title Designer

Pierre Boulle

Characters

Nick Dimitri

Stunts

Larry Duran

Stunts

Paula Crist

Stunts

Bennie E. Dobbins

Stunts

Tony Brubaker

Stunts

Richard E. Butler

Stunts

Alan Gibbs

Stunts

Tony Epper

Stunts

Gary Epper

Stunts

Gene LeBell

Stunts

Regina Parton

Stunts

Regis Parton

Stunts

Wally Rose

Stunts

Alex Sharp

Stunts

Glenn Randall Jr.

Stunts

Eddie Smith

Stunts

Paul Stader

Stunt Coordinator

Fred Waugh

Stunts

Richard Washington

Stunts

George P. Wilbur

Stunts

Erik Cord

Stunts

Eddie Hice

Stunts

Henry Kingi

Stunts

Whitey Hughes

Stunts

Frank Capra, Jr.

Associate Producer

Troy Melton

Stunts

Philip M. Jefferies

Art Direction

Philip M. Jefferies

Production Design

Norman Rockett

Set Decoration

Morton Haack

Costume Design

Jack Barron

Makeup Artist

Joe DiBella

Makeup Artist

John Chambers

Makeup Designer

Daniel C. Striepeke

Makeup Supervisor

Verne Langdon

Special Effects Makeup Artist

Jan Van Uchelen

Hairstylist

Carol Pershing

Hairstylist

William Eckhardt

Unit Production Manager

David 'Buck' Hall

Assistant Director

Jack Stubbs

Second Assistant Director

Don J. Bassman

Sound

Herman Lewis

Sound

Johnny Borgese

Special Effects

Craig R. Baxley

Stunts