Ranger Tom King Jr.
Sammy Baugh
John Barton / Felix Hauptman
Neil Hamilton
Ranger Wichita Bates
Kermit Maynard
Ross
Roy Barcroft
Nick
Kenne Duncan
Shorty
Jack Ingram
Blake
Robert Barron
Cole
Frank Bruno
Dade
Monte Montague
Prof. Nelson
Joseph Forte
Zeppelin Captain
Lucien Prival
Truck Thug
George Allen
Sally Crane
Pauline Moore
Druggist Porter
Hooper Atchley
Henchman Slater
John Bagni
Eduardo
Bobby Barber
Dirigible Lieutenant
George Barrows
Dirigible Heavy
Earle D. Bunn
Gate Guard
Forrest Burns
Sedley
Ed Cassidy
Stub Latner
Jack Chapin
Rancho Thug
Tommy Coats
Carlos
Iron Eyes Cody
Lt. Pedro Garcia
Duncan Renaldo
Dam Guard Thomas
Eddie Dew
Truck Heavy
James Fawcett
Henchman Cramer
Bud Geary
Carl
Alan Gregg
Military Officer at Airfield
Paul Gustine
Shootout Thug
Herman Hack
Dr. L.H. Bowen
Henry Hall
Chick Hannan
Barry Hays
Johnny Logan
Howard Hughes
Robert Crawford
Charles Trowbridge
Truck Driver Dave
John James
Dam Guard
Bob Jamison
Ed
Jerry Jerome
Henchman
Ray Jones
Hank Breen
William Kellogg
Thug on Dock
Bert LeBaron
Bartender
Alex Montoya
Pat O'Shea
Ronnie Nelson
Michael Owen
Zeppelin Radioman
Otto Reichow
Col. Lee Avery
Herbert Rawlinson
Robert Robinson
Ranger Sherwood
Buddy Roosevelt
Cowan
Ernest Sarracino
Oilfield Thug in Overalls
Dick Scott
Coach
Lee Shumway
Red Cameron
Dick Simmons
Henchan Dude Ward
Al Taylor
Carlie Taylor
Plant Employee
Forrest Taylor
Scaffold Thug
Ken Terrell
Pop Evans
Frank Darien
Charles Thomas
Gus
Max Waizmann
Cantina Thug
Slim Whitaker
Derrick Heavy
Bud Wolfe
His Excellency
Rudolph Anders
Capt. Tom King Sr.
Monte Blue
A.J. Lynch
Stanley Blystone
Stunts
David Sharpe
Director
William Witney
William Lively
Joseph F. Poland
John English
Producer
Hiram S. Brown Jr.
Screenplay
Ronald Davidson
Norman S. Hall
Joseph O'Donnell
Merlyn Nelson
Bill Wilkens
Editor
Edward Todd
Special Effects
Theodore Lydecker
Duke Green
Makeup Artist
Bob Mark
Howard Lydecker
Loren Riebe
Cy Slocum
Duke Taylor
William P. Thompson
Tom Steele
Joe Yrigoyen
Director of Photography
Reggie Lanning
Original Music Composer
Cy Feuer