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.
| Actor | Role |
|---|---|
 Lois WilsonHelen Webster | Helen Webster |
 Sidney BlackmerMartin Webster | Martin Webster |
 Peggy ShannonClaire Arlington | Claire Arlington |
 Matt MooreTom | Tom |
 Fred KohlerJepson | Jepson |
 Edward Van SloanProfessor | Professor |
 Samuel S. HindsChief Forecaster | Chief Forecaster |
 Fred 'Snowflake' ToonesTownsman | Townsman |
 Marianne EdwardsMarianne Webster | Marianne Webster |
 Ronnie CosbyRonny Webster | Ronny Webster |
 Philo McCulloughBellamy / Gang Leader | Bellamy / Gang Leader |
 Lane ChandlerJack | Jack |