A massive earthquake strikes the United States, which destroys the West Coast and unleashes a massive flood that threatens to destroy the East Coast as well.
Lois Wilson
as Helen Webster
Sidney Blackmer
as Martin Webster
Peggy Shannon
as Claire Arlington
Matt Moore
as Tom
Fred Kohler
as Jepson
Edward Van Sloan
as Professor
Samuel S. Hinds
as Chief Forecaster
Fred 'Snowflake' Toones
as Townsman
Marianne Edwards
as Marianne Webster
Ronnie Cosby
as Ronny Webster
Philo McCullough
as Bellamy / Gang Leader
Lane Chandler
as Jack
