Stewart Graff

Remy Royce-Graff

Sgt. Lew Slade

Sam Royce

Denise Marshall

Miles Quade

Jody

Dr. Willis Stockle

Dr. James Vance

Rosa Amici

Drunk

Barbara

Sal

Chavez

Bill Cameron

Los Angeles Mayor

Walter Russell

Asst. Caretaker

Corry

Dr. Harvey Johnson

Buck

Ralph

Hank

Carl Leeds

Chief Inspector

Colonel

Sid

Sandy

Pool Player

Dr. Frank Ames

Brawny Foreman

Dam Caretaker

Farmer Mr. Griggs

Pool Player

Las Vegas Man

Technician

Laura

Boy with Radio (uncredited)

Citizen (uncredited)

Citizen (uncredited)

Restaurant Patron (uncredited)

Pawnbroker's Wife (TV version) (uncredited)

Dam Workman (uncredited)

Young Man on Motorcycle (uncredited)

Woman (uncredited)

Officer Scott (Wilson Plaza) (uncredited)

Earthquake Survivor (uncredited)

Stranger (uncredited)

National Guardsman (uncredited)

Sherriff Merle (uncredited)

LAPD Captain (uncredited)

Tony (Kathie's Husband) (uncredited)

Dr. Vance's Nurse (uncredited)

Office Worker (uncredited)

Hare Krishna (uncredited)

Hare Krishna (uncredited)

Earthquake Survivor in Wilson Plaza (uncredited)

Man Drinking from Plastic Cup in Wilson Plaza (uncredited)

Blonde Secretary in Royce Building (uncredited)

Bar Cook (uncredited)

Blonde Woman (uncredited)

Earthquake Survivor (uncredited)

Sports Car Thief (uncredited)

Man (uncredited)

Doctor (uncredited)

Helicopter Pilot (uncredited)

Seismologist (uncredited)

Man (uncredited)

Man Fleeing Movie Theatre (uncredited)

Man on the Balcony of a Falling House (uncredited)

Citizen (uncredited)

Woman (uncredited)

Policeman (uncredited)

National Guardsman (uncredited)

Man (uncredited)

Citizen (uncredited)

Earthquake Victim (uncredited)

Seismology Graduate Student (uncredited)

Man on Loudspeaker (voice) (uncredited)

Housewife (uncredited)

Police Officer (uncredited)

Pool Player (uncredited)

Man Fleeing Movie Theatre (uncredited)

Emergency Soup Kitchen Worker in Wilson Plaza (uncredited)

Man in Outer Office (uncredited)

Deputy Sherriff (uncredited)

Boy (uncredited)

Jay the Bartender (uncredited)

Kathie (TV version) (uncredited)

Pool Player (uncredited)

Citizen (uncredited)

Radio Station Technician (uncredited)

Citizen (uncredited)

Prop Tractor Driver (uncredited)

Opening Narrator (uncredited)

Grocery Store Clerk (uncredited)

Man on the Radio (voice) (uncredited)

Studio Guard (uncredited)

Office Worker (uncredited)

Diver at Hollywood Reservoir (uncredited)

Ambulance Driver (uncredited)

Dam Workman with Blowtorch (uncredited)

Man (uncredited)

Dam Workman (uncredited)