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)

Joan Blair

Pawnbroker's Wife (TV version) (uncredited)

Hal Bokar

Dam Workman (uncredited)

Reb Brown

Young Man on Motorcycle (uncredited)

Vivian Brown

Woman (uncredited)

Ian Bruce

Officer Scott (Wilson Plaza) (uncredited)

Polly Burson

Earthquake Survivor (uncredited)

William H. Burton Jr.

Stranger (uncredited)

Ric Carrott

National Guardsman (uncredited)

David S. Cass Sr.

Sherriff Merle (uncredited)

Lonny Chapman

LAPD Captain (uncredited)

Sam Chew Jr.

Tony (Kathie's Husband) (uncredited)

Shannon Christie

Dr. Vance's Nurse (uncredited)

Erik Cord

Office Worker (uncredited)

Caitanya Dasi

Hare Krishna (uncredited)

Cinmayi Devi

Hare Krishna (uncredited)

Ken DuMain

Earthquake Survivor in Wilson Plaza (uncredited)

Brent Dunsford

Man Drinking from Plastic Cup in Wilson Plaza (uncredited)

Patty Elder

Blonde Secretary in Royce Building (uncredited)

Kenny Endoso

Bar Cook (uncredited)

Jeannie Epper

Blonde Woman (uncredited)

Dotty Ertel

Earthquake Survivor (uncredited)

Bobby Ferro

Sports Car Thief (uncredited)

Bruce M. Fischer

Man (uncredited)

Sig Frohlich

Doctor (uncredited)

James W. Gavin

Helicopter Pilot (uncredited)

Ernest Harada

Seismologist (uncredited)

Jerry Hardin

Man (uncredited)

Bob Harks

Man Fleeing Movie Theatre (uncredited)

Orwin C. Harvey

Man on the Balcony of a Falling House (uncredited)

Lars Hensen

Citizen (uncredited)

Diana Herbert

Woman (uncredited)

Bert Kramer

Policeman (uncredited)

Paul LeClair

National Guardsman (uncredited)

Karl Lukas

Man (uncredited)

Ernesto Molinari

Citizen (uncredited)

Stevie Myers

Earthquake Victim (uncredited)

Jimmy Nickerson

Seismology Graduate Student (uncredited)

Stuart Nisbet

Man on Loudspeaker (voice) (uncredited)

Frances Osborne

Housewife (uncredited)

Grant Owens

Police Officer (uncredited)

Charlie Picerni

Pool Player (uncredited)

Tony Regan

Man Fleeing Movie Theatre (uncredited)

Leoda Richards

Emergency Soup Kitchen Worker in Wilson Plaza (uncredited)

Clark Ross

Man in Outer Office (uncredited)

George Sawaya

Deputy Sherriff (uncredited)

Mark Sawtelle

Boy (uncredited)

Fred Scheiwiller

Jay the Bartender (uncredited)

Debralee Scott

Kathie (TV version) (uncredited)

Dean Smith

Pool Player (uncredited)

Eddie Smith

Citizen (uncredited)

Norman Stevans

Radio Station Technician (uncredited)

Arthur Tovey

Citizen (uncredited)

John Tuell

Prop Tractor Driver (uncredited)

Dick Tufeld

Opening Narrator (uncredited)

Kitty Vallacher

Grocery Store Clerk (uncredited)

Keith Walker

Man on the Radio (voice) (uncredited)

Sandy Ward

Studio Guard (uncredited)

Rick Warick

Office Worker (uncredited)

Dick Warlock

Diver at Hollywood Reservoir (uncredited)

William Whitaker

Ambulance Driver (uncredited)

Don Wilbanks

Dam Workman with Blowtorch (uncredited)

Forrest Wood

Man (uncredited)

Clint Young

Dam Workman (uncredited)

Mark Robson

Director

Dorothy Spencer

Editor

Philip H. Lathrop

Director of Photography

Mark Robson

Producer

John Williams

Original Music Composer

Alexander Golitzen

Production Design

E. Preston Ames

Art Direction

Jennings Lang

Executive Producer

Mario Puzo

Writer

George Fox

Writer

Terry Leonard

Stunts

Jeannie Epper

Stunts

Frank R. McKelvy

Set Decoration

Bernard Donnenfeld

Producer

William Batliner

Casting

Robert J. LaSanka

Casting

Joe Canutt

Stunt Double

Polly Burson

Stunts

John Daheim

Stunt Coordinator

Bob Bralver

Stunts

Roydon Clark

Stunts

Ralph Garrett

Stunts

Barbara Perlman

Stunts

Buff Brady

Stunts

Erik Cord

Stunts

Larry Duran

Stunts

David S. Cass Sr.

Stunts

Paula Crist

Stunts

Dick Dial

Stunts

Eddie Mulder

Stunts

Paul Nuckles

Stunts

Glenn Randall Jr.

Stunts

Ernest Robinson

Stunts

Troy Melton

Stunts

Regina Parton

Stunts

Murray Schwartz

Second Assistant Director

Fred R. Simpson

First Assistant Director

Ronald Pierce

Sound

Melvin M. Metcalfe Sr.

Sound

Mark Reedall

Makeup Artist

May Boss

Stunts

Fred Brookfield

Stunts

Burton Miller

Costume Design

Alex Brown

Stunts

Bill Catching

Stunts

Rip Clark

Stunts

Dottie Catching

Stunts

Kenny Endoso

Stunts

Orwin C. Harvey

Stunts

Connie Nichols

Hairstylist

Wallace Worsley Jr.

Unit Production Manager

Jerry Brutsche

Stunts

Frank Brendel

Special Effects

Tony Brubaker

Stunts

Mickey Caruso

Stunts

Howard Curtis

Stunts

Paula Dell

Stunts

Eddie Juaregui

Stunts

Julius LeFlore

Stunts

William T. Lane

Stunts

Evelyn Smith

Stunts

Maurice Marks

Stunts

Patty Elder

Stunts

Gene LeBell

Stunts

Harvey Parry

Stunts

Cyndi Swan

Stunts

Jesse Wayne

Stunts

Richard Washington

Stunts

Don Pike

Stunts

Charlie Picerni

Stunts

Russell Saunders

Stunts

Ronald Ross

Stunts

George Sawaya

Stunts

Bud Ekins

Stunts

Gary Epper

Stunts

Stephanie Epper

Stunts

Loren Janes

Stunts

Regis Parton

Stunts

Bobby Porter

Stunt Double

Dick Warlock

Stunts

Wilbur Kinnett

Gaffer

James W. Gavin

Stunts

Evelyne Cuffee

Stunts

James Winburn

Stunts

Felix Silla

Stunts

Marilyn Stader

Stunts

Marvin Walters

Stunts

Carol Daniels

Stunts

Andy Epper

Stunts

Tommy J. Huff

Stunts

Julie Ann Johnson

Stunts

Kim Kahana

Stunts

Harry Monty

Stunts

Jack Verbois

Stunts

Eddie Smith

Stunts

Jadie David

Stunts

Mickey Gilbert

Stunts

Henry Kingi

Stunts

Denver Mattson

Stunts

Tom Steele

Stunts

Bud Walls

Stunts

Victoria Gail Weisbart

Script Supervisor

John Daheim

Stunts

Bennie E. Dobbins

Stunts

Bob Herron

Stunts

Larry Holt

Stunts

Jimmy Nickerson

Stunts

Lila Finn

Stunts

Robert C. Ferro Jr.

Stunts

Donna Garrett

Stunts

Freddie Hice

Stunts

Kevin N. Johnston

Stunts

Peaches Jones

Stunts

Audrey Saunders

Stunts

Rock A. Walker

Stunts

Bob Yerkes

Stunts

Dick Crockett

Stunts

Fred Lerner

Stunts

Bob Minor

Stunts

Byron Quisenberry

Stunts

Bob Terhune

Stunts

Dean Smith

Stunts

Fred Scheiwiller

Stunts

Nick Dimitri

Stunts

Eddie Hice

Stunts

Stevie Myers

Stunts

Craig R. Baxley

Stunts

Gary Downey

Stunts

Ed Shanley

Construction Coordinator

Roswell A. Hoffmann

Visual Effects

Leo Pepin

Assistant Production Manager