Trailer
Cast
Jerry Hardin
Man (uncredited)
Lorne Greene
Sam Royce
Alan Vint
Ralph
Karl Lukas
Man (uncredited)
Eddie Smith
Citizen (uncredited)
Ava Gardner
Remy Royce-Graff
Pedro Armendáriz Jr.
Chavez
Sam Chew Jr.
Tony (Kathie's Husband) (uncredited)
Grant Owens
Police Officer (uncredited)
H.B. Haggerty
Pool Player
Josh Albee
Boy with Radio (uncredited)
Jeannie Epper
Blonde Woman (uncredited)
Diana Herbert
Woman (uncredited)
Charlie Picerni
Pool Player (uncredited)
Donald Moffat
Dr. Harvey Johnson
Arthur Tovey
Citizen (uncredited)
Sandy Ward
Studio Guard (uncredited)
Walter Matthau
Drunk
George Murdock
Colonel
Bob Harks
Man Fleeing Movie Theatre (uncredited)
Stuart Nisbet
Man on Loudspeaker (voice) (uncredited)
Leoda Richards
Emergency Soup Kitchen Worker in Wilson Plaza (uncredited)
George Kennedy
Sgt. Lew Slade
Gabriel Dell
Sal
David S. Cass Sr.
Sherriff Merle (uncredited)
Kenny Endoso
Bar Cook (uncredited)
Don Wilbanks
Dam Workman with Blowtorch (uncredited)
Geneviève Bujold
Denise Marshall
Bruce M. Fischer
Man (uncredited)
Jimmy Nickerson
Seismology Graduate Student (uncredited)
Frances Osborne
Housewife (uncredited)
Debralee Scott
Kathie (TV version) (uncredited)
John Randolph
Los Angeles Mayor
Alex Brown
Pool Player
John Dennis
Brawny Foreman
Victoria Principal
Rosa Amici
Ernest Harada
Seismologist (uncredited)
George Sawaya
Deputy Sherriff (uncredited)
Dick Tufeld
Opening Narrator (uncredited)
Keith Walker
Man on the Radio (voice) (uncredited)
Dick Warlock
Diver at Hollywood Reservoir (uncredited)
Richard Roundtree
Miles Quade
Barry Sullivan
Dr. Willis Stockle
Scott Hylands
Asst. Caretaker
Lloyd Nolan
Dr. James Vance
Jesse Vint
Buck
John Elerick
Carl Leeds
Reb Brown
Young Man on Motorcycle (uncredited)
Lonny Chapman
LAPD Captain (uncredited)
Charlton Heston
Stewart Graff
Bob Cunningham
Dr. Frank Ames
Gene Dynarski
Dam Caretaker
Polly Burson
Earthquake Survivor (uncredited)
Bert Kramer
Policeman (uncredited)
Dean Smith
Pool Player (uncredited)
Tim Herbert
Las Vegas Man
Ric Carrott
National Guardsman (uncredited)
Erik Cord
Office Worker (uncredited)
Marjoe Gortner
Jody
Monica Lewis
Barbara
Paul LeClair
National Guardsman (uncredited)
Lloyd Gough
Bill Cameron
Kip Niven
Walter Russell
John S. Ragin
Chief Inspector