Stewart Graff

Charlton Heston

Acting

Remy Royce-Graff

Ava Gardner

Acting

Sgt. Lew Slade

George Kennedy

Acting

Sam Royce

Lorne Greene

Acting

Denise Marshall

Geneviève Bujold

Acting

Miles Quade

Richard Roundtree

Acting

Jody

Marjoe Gortner

Acting

Dr. Willis Stockle

Barry Sullivan

Acting

Dr. James Vance

Lloyd Nolan

Acting

Rosa Amici

Victoria Principal

Acting

Drunk

Walter Matthau

Acting

Barbara

Monica Lewis

Acting

Sal

Gabriel Dell

Acting

Chavez

Pedro Armendáriz Jr.

Acting

Bill Cameron

Lloyd Gough

Acting

Los Angeles Mayor

John Randolph

Acting

Walter Russell

Kip Niven

Acting

Asst. Caretaker

Scott Hylands

Acting

Corry

Tiger Williams

Acting

Dr. Harvey Johnson

Donald Moffat

Acting

Buck

Jesse Vint

Acting

Ralph

Alan Vint

Acting

Hank

Lionel Johnston

Acting

Carl Leeds

John Elerick

Acting

Chief Inspector

John S. Ragin

Acting

Colonel

George Murdock

Acting

Sid

Don Mantooth

Acting

Sandy

Michael Richardson

Acting

Pool Player

Alex Brown

Acting

Dr. Frank Ames

Bob Cunningham

Acting

Brawny Foreman

John Dennis

Acting

Dam Caretaker

Gene Dynarski

Acting

Farmer Mr. Griggs

Bob Gravage

Acting

Pool Player

H.B. Haggerty

Acting

Las Vegas Man

Tim Herbert

Acting

Technician

Dave Morick

Acting

Laura

Ines Pedroza

Acting

Boy with Radio (uncredited)

Josh Albee

Acting

Citizen (uncredited)

Benjie Bancroft

Acting

Restaurant Patron (uncredited)

Buzz Barbee

Acting

Pawnbroker's Wife (TV version) (uncredited)

Joan Blair

Acting

Dam Workman (uncredited)

Hal Bokar

Acting

Young Man on Motorcycle (uncredited)

Reb Brown

Acting

Woman (uncredited)

Vivian Brown

Acting

Officer Scott (Wilson Plaza) (uncredited)

Ian Bruce

Acting

Earthquake Survivor (uncredited)

Polly Burson

Crew

Stranger (uncredited)

William H. Burton Jr.

Crew

National Guardsman (uncredited)

Ric Carrott

Acting

Sherriff Merle (uncredited)

David S. Cass Sr.

Directing

LAPD Captain (uncredited)

Lonny Chapman

Acting

Tony (Kathie's Husband) (uncredited)

Sam Chew Jr.

Acting

Dr. Vance's Nurse (uncredited)

Shannon Christie

Acting

Office Worker (uncredited)

Erik Cord

Crew

Hare Krishna (uncredited)

Caitanya Dasi

Acting

Hare Krishna (uncredited)

Cinmayi Devi

Acting

Earthquake Survivor in Wilson Plaza (uncredited)

Ken DuMain

Acting

Man Drinking from Plastic Cup in Wilson Plaza (uncredited)

Brent Dunsford

Acting

Blonde Secretary in Royce Building (uncredited)

Patty Elder

Crew

Bar Cook (uncredited)

Kenny Endoso

Crew

Blonde Woman (uncredited)

Jeannie Epper

Crew

Earthquake Survivor (uncredited)

Dotty Ertel

Acting

Sports Car Thief (uncredited)

Bobby Ferro

Acting

Man (uncredited)

Bruce M. Fischer

Acting

Doctor (uncredited)

Sig Frohlich

Acting

Helicopter Pilot (uncredited)

James W. Gavin

Acting

Seismologist (uncredited)

Ernest Harada

Acting

Man (uncredited)

Jerry Hardin

Acting

Man Fleeing Movie Theatre (uncredited)

Bob Harks

Acting

Man on the Balcony of a Falling House (uncredited)

Orwin C. Harvey

Crew

Citizen (uncredited)

Lars Hensen

Acting

Woman (uncredited)

Diana Herbert

Acting

Policeman (uncredited)

Bert Kramer

Acting

National Guardsman (uncredited)

Paul LeClair

Acting

Man (uncredited)

Karl Lukas

Acting

Citizen (uncredited)

Ernesto Molinari

Acting

Earthquake Victim (uncredited)

Stevie Myers

Crew

Seismology Graduate Student (uncredited)

Jimmy Nickerson

Crew

Man on Loudspeaker (voice) (uncredited)

Stuart Nisbet

Acting

Housewife (uncredited)

Frances Osborne

Acting

Police Officer (uncredited)

Grant Owens

Acting

Pool Player (uncredited)

Charlie Picerni

Crew

Man Fleeing Movie Theatre (uncredited)

Tony Regan

Acting

Emergency Soup Kitchen Worker in Wilson Plaza (uncredited)

Leoda Richards

Acting

Man in Outer Office (uncredited)

Clark Ross

Acting

Deputy Sherriff (uncredited)

George Sawaya

Acting

Boy (uncredited)

Mark Sawtelle

Acting

Jay the Bartender (uncredited)

Fred Scheiwiller

Acting

Kathie (TV version) (uncredited)

Debralee Scott

Acting

Pool Player (uncredited)

Dean Smith

Acting

Citizen (uncredited)

Eddie Smith

Acting

Radio Station Technician (uncredited)

Norman Stevans

Acting

Citizen (uncredited)

Arthur Tovey

Acting

Prop Tractor Driver (uncredited)

John Tuell

Acting

Opening Narrator (uncredited)

Dick Tufeld

Acting

Grocery Store Clerk (uncredited)

Kitty Vallacher

Acting

Man on the Radio (voice) (uncredited)

Keith Walker

Acting

Studio Guard (uncredited)

Sandy Ward

Acting

Office Worker (uncredited)

Rick Warick

Acting

Diver at Hollywood Reservoir (uncredited)

Dick Warlock

Acting

Ambulance Driver (uncredited)

William Whitaker

Acting

Dam Workman with Blowtorch (uncredited)

Don Wilbanks

Acting

Man (uncredited)

Forrest Wood

Acting

Dam Workman (uncredited)

Clint Young

Acting