Rex Lease

Lloyd Wilson

Marion Shilling

Anne Seton

Philo McCullough

Durand

Henry Hall

Mr. Seton

Charles King

'Blackie' Black

Robert McKenzie

Mack - Fat Detective

Victor Potel

Rice - Thin Detective

Jimmy Aubrey

Henry - Durand's Houseboy

Tarzan

Tarzan

Robert F. Hill

Police Chief Gallagher