Various interconnected people struggle to survive when an earthquake of unimaginable magnitude hits Los Angeles, California.
Charlton Heston
as Stewart Graff
Ava Gardner
as Remy Royce-Graff
George Kennedy
as Sgt. Lew Slade
Lorne Greene
as Sam Royce
Geneviève Bujold
as Denise Marshall
Richard Roundtree
as Miles Quade
Marjoe Gortner
as Jody
Barry Sullivan
as Dr. Willis Stockle
Lloyd Nolan
as Dr. James Vance
Victoria Principal
as Rosa Amici
Walter Matthau
as Drunk
Monica Lewis
as Barbara
