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