Casts

Rex

Rex, the World's Greatest Horse (as Rex the Wonder Horse)

Jack Perrin

Jack Merritt

Helen Foster

Margie Smith

Tom London

Martin Trask

Starlight the Horse

Starlight, Jack's Horse

Jim Corey

Bit Role (uncredited)

Crews

William Lord Wright

Story

George H. Plympton

Writer

Gardner Bradford

Writer

Henry MacRae

Director