Robert Livingston

'Stony' Brooke

Ray Corrigan

'Tucson' Smith

Max Terhune

'Lullaby' Joslin

Earle Hodgins

'Doctor' Algernon Irving

Sammy McKim

Timothy Irving

Lynne Roberts

Madge Irving (as Lynn Roberts)

Eddy Waller

The Chief

Maston Williams

Lead Henchman Phillips, boxcar heist, etc.

Warren Jackson

Henchman Mack, boxcar heist, etc.

Jerry Frank

Henchman Bert, natty dresser, boxcar heist etc.

Curley Dresden

Henchman Al, outside first truck, etc.

Francis Walker

Henchman Spike, gas station, etc.

Loren Riebe

Henchman

Flash the Dog

Hawkshaw - Tim's Dog (as Flash)

Eddie Hart

Henchman Lefty, second truck

John English