
The Wrecker wrecks trains on the L & R Railroad. One of his victims is Larry Baker's father. Baker wants to find the evildoer, among a host of suspects, but it will be difficult since the Wrecker can disguise himself to look like almost anyone

John Wayne
The Air Pilot

Tully Marshall
The Railroad Manager

Conway Tearle
The Railroad Attorney

Shirley Grey
The Secretary

Edmund Breese
The Secretary's Father

Lloyd Whitlock
The Air Line Manager

Al Bridge
The Station Agent

Matthew Betz
The Engineer Jordan

Joseph W. Girard
The Railroad Detective

James P. Burtis
The Railroad Detective's Assistant

Ernie Adams
Barney

Charles King
Mike

King of the Rocket Men
King of the Rocket Men

The House of Hate
The House of Hate

Pickup
Pickup

Lucille Love: The Girl of Mystery
Lucille Love: The Girl of Mystery

The Perils of Pauline
The Perils of Pauline

The New Adventures of Tarzan
The New Adventures of Tarzan

The Great Locomotive Chase
The Great Locomotive Chase

The Adventure of the Torture Cage
The Adventure of the Torture Cage

The Girl Detective
The Girl Detective

The Great Barrier
The Great Barrier

The Million Dollar Mystery
The Million Dollar Mystery

The Lost Express
The Lost Express