Charles Farrell as Boy

Esther Ralston as Girl

Wallace Beery as Bos'n

George Bancroft as Gunner

Charles Hill Mailes as Commodore Preble

Johnnie Walker as Stephen Decatur

Eddie Fetherston as Richard Somers

George Godfrey as Cook

William Conklin as Esther's Father (uncredited)

Effie Ellsler as Esther's Mother (uncredited)

Guy Oliver as First Mate (uncredited)

Fred Kohler as Second Mate (uncredited)

Arthur Ludwig as Second Mate (uncredited)

Boris Karloff as Saracen Guard (uncredited)

Dean Harrell as Young Decatur (uncredited)

Spec O'Donnell as Cabin Boy (uncredited)

Nick De Ruiz as Bashaw (uncredited)

Frank Jonasson as Pirate Captain (uncredited)

Duke Kahanamoku as Pirate Captain (uncredited)

Mitchell Lewis as Pirate Chief (uncredited)

Tetsu Komai as Pirate (uncredited)

Richard Alexander as Seaman (uncredited)

Richard Arlen as Seaman (uncredited)

Frank Bonner as Seaman (uncredited)

Gary Cooper as Seaman (uncredited)

Frank Darien as Seaman (uncredited)

Jack Herrick as Seaman (uncredited)

Robert Livingston as Seaman (uncredited)

William Bakewell as Young Philadelphian (uncredited)

Bess Flowers as (uncredited)

Herbert Janssen as (uncredited)

Göta Ljungberg as (uncredited)