Thunderbolt's Tracks

Jack Perrin

Sergeant Larry Donovan

Pauline Curley

Alice Hayden

Buzz Barton

Red Hayden (as Billy Lamar)

Jack Henderson

Pop Hayden

Harry Tenbrook

Corporal Biff Flannagan

Ethan Laidlaw

Buck Moulton

Ruth Royce

Speedy

Rex the Dog

Dog