59 minutos
Mysterious deaths have been occurring in the same towns as Miller's Circus and the Governor has sent Ken Kenton to investigate. Ken joins the show but when he realizes that Bargoff is involved, Bargoff has fled and taken Mary Hiller as a hostage. The trail leads to Baron Petroff who concocted the deadly chemical and Ken quickly finds himself the Baron's prisoner.
Ken Maynard
Captain Ken Kenton
Lucile Browne
Mary Hiller
John St. Polis
Governor
Bob Kortman
Bargoff
Michael Visaroff
Baron Petroff
James A. Marcus
Colonel Hiller
Jack Rockwell
Ranger Jack Saunders
Frank Rice
Tin Star
Bobby Nelson
Jimmy Hiller
Jack Mower
Rurales Captain Rodriguez
Chief John Big Tree
Circus Indian
Buck Bucko
Spectator
Bob Burns
Townsman
Edward Burns
Townsman
Horace B. Carpenter
Town Merchant
Steve Clemente
Henchman Pedro
Iron Eyes Cody
Circus Indian
Edward Coxen
Sheriff
Helen Gibson
Circus Cowgirl
Jack Hanlon
Young Boy
Buddy Hunter
Young Boy
John Ince
Man with Governor
Jack Kirk
Spectator
Fred MacKaye
Circus Performer
Bud McClure
Bargoff Henchman
Merrill McCormick
Bargoff Henchman
Lafe McKee
Townsman
Arthur Millett
Captain
Artie Ortego
Circus Indian
Bill Patton
Ace Cooper
Edward Peil Sr.
Police Chief
Pascale Perry
Bargoff Henchman
Bob Reeves
Bronc Riding Spectator
Walter Shumway
Man with Governor
William Steele
Hal Taliaferro
Bronc Riding Spectator
Bob Walker
Deputy Bob
Blue Washington
Sambo
Slim Whitaker
Circus Cook
