A dramatic recreation of the Johnstown Flood of 1889.
| Actor | Role |
|---|---|
 George O'BrienTom O'Day | Tom O'Day |
 Florence GilbertGloria Hamilton | Gloria Hamilton |
 Janet GaynorAnna Burger | Anna Burger |
 Anders RandolfJohn Hamilton | John Hamilton |
 Max DavidsonDavid Mandel | David Mandel |
 Paul NicholsonWard Peyton | Ward Peyton |
 Paul PanzerJoe Burger, Anna's Father | Joe Burger, Anna's Father |
 George HarrisYoung Sidney Mandel | Young Sidney Mandel |
| WWalter PerryPat O'Day | Pat O'Day |
 Sid JordanMullins | Mullins |
 Gary CooperFlood Survivor (uncredited) | Flood Survivor (uncredited) |
 Kay DeslysDance Hall Queen (uncredited) | Dance Hall Queen (uncredited) |
 Clark GableTownsman Standing at Bar in Saloon (uncredited) | Townsman Standing at Bar in Saloon (uncredited) |
 Carole LombardGloria's Bridesmaid (uncredited) | Gloria's Bridesmaid (uncredited) |
 George H. ReedCamp Cook (uncredited) | Camp Cook (uncredited) |
| DDick RushConspirator (uncredited) | Conspirator (uncredited) |
 Fred WarrenPiano Player (uncredited) | Piano Player (uncredited) |
| JJim WelchDinty McGinty (uncredited) | Dinty McGinty (uncredited) |