Thunderbolt's Tracks

Jack Perrin

Sergeant Larry Donovan

Pauline Curley

Alice Hayden

Buzz Barton

Red Hayden (as Billy Lamar)

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Jack Henderson

Pop Hayden

Harry Tenbrook

Corporal Biff Flannagan

Ethan Laidlaw

Buck Moulton

Ruth Royce

Speedy

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Rex the Dog

Dog