Charlton Heston

Stewart Graff

Ava Gardner

Remy Royce-Graff

George Kennedy

Sgt. Lew Slade

Lorne Greene

Sam Royce

Geneviève Bujold

Denise Marshall

Richard Roundtree

Miles Quade

Marjoe Gortner

Jody

Barry Sullivan

Dr. Willis Stockle

Lloyd Nolan

Dr. James Vance

Victoria Principal

Rosa Amici

Walter Matthau

Drunk

Monica Lewis

Barbara

Gabriel Dell

Sal

Pedro Armendáriz Jr.

Chavez

Lloyd Gough

Bill Cameron

John Randolph

Los Angeles Mayor

Kip Niven

Walter Russell

Scott Hylands

Asst. Caretaker

Tiger Williams

Corry

Donald Moffat

Dr. Harvey Johnson

Jesse Vint

Buck

Alan Vint

Ralph

Lionel Johnston

Hank

John Elerick

Carl Leeds

John S. Ragin

Chief Inspector

George Murdock

Colonel

Don Mantooth

Sid

Michael Richardson

Sandy

Alex Brown

Pool Player

Bob Cunningham

Dr. Frank Ames

John Dennis

Brawny Foreman

Gene Dynarski

Dam Caretaker

Bob Gravage

Farmer Mr. Griggs

H.B. Haggerty

Pool Player

Tim Herbert

Las Vegas Man

Dave Morick

Technician

Ines Pedroza

Laura

Josh Albee

Boy with Radio (uncredited)

Benjie Bancroft

Citizen (uncredited)

Buzz Barbee

Restaurant Patron (uncredited)