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