A ring of cattle thieves uses short-wave radio to communicate with each other. A trio of range detectives must find a way to capture the gang.

Bill 'Cowboy Rambler' Boyd
as Bill 'Cowboy Rambler' Boyd

Art Davis
as Marshal Art Davis

Lee Powell
as Marshal Lee Powell

Wanda McKay
as Rita

Glenn Strange
as Joe Duncan

Karl Hackett
as Pete (Rancher-Agitator)

Jack Holmes
as Sheriff Snowden

Ted Adams
as Roger Martin

Jack Ingram
as Hank Dale

John Elliott
as Lem Bartlett