Diretor/a
John English
DIRETOR/A
William Witney
Elenco (na ordem dos créditos)
Eduardo Ciannelli
Doctor Satan
Robert Wilcox
Bob Wayne
William Newell
Speed Martin
C. Montague Shaw
Prof. Thomas Scott
Ella Neal
Lois Scott
Dorothy Herbert
Alice Brent
Charles Trowbridge
Gov. Bronson [Ch. 1]
Jack Mulhall
Police Chief Rand [Chs. 1, 4, 13]
Edwin Stanley
Col. Bevans
Walter McGrail
Stoner
Joe McGuinn
Gort
Bud Geary
Hallett
Paul Marion
Corbay [Ch. 1]
Archie Twitchell
Ross
Lynton Brent
Scarlett [Chs. 1-5]
Ken Terrell
Corwin
Al Taylor
Joe [Chs. 9-15]
George Allen
Henchman-Driver Spike [Ch. 8-9]uncredited
John Bagni
Gray - Pick-up Thug [Chs. 14-15]uncredited
Frank Brownlee
Panamint Pete [Ch. 8]uncredited
James Bush
Co-Pilot [Chs. 12-13]uncredited
Yakima Canutt
Sailor at Winch [Chs. 3-4]uncredited
Virginia Carroll
Nurse [Ch. 11]uncredited
Ed Cassidy
Barton [Ch. 1]uncredited
Davison Clark
Police Lieutenant [Ch. 7]uncredited
Tris Coffin
Wells -Governor's Secretaryuncredited
Tristram Coffin
Wells - Governor's Secretary [Ch. 1]uncredited
Frank Conklin
Burns - Station Master [Chs. 8-9]uncredited
Fred Criswell
Officer [Ch. 11]uncredited
Eddie Dew
Gas Station Attendant [Ch. 4]uncredited
Frank Ellis
Plant Henchman [Chs. 10-11]uncredited
James Fawcett
Aluncredited
Sam Garrett
Roperuncredited
Duke Green
Duke - Mine Thug [Ch. 9]uncredited
Alan Gregg
Red - Mine Thug [Ch. 9]uncredited
Kenneth Harlan
Capt. Lathrop [Chs. 1-2]uncredited
Charles Hutchison
Proprietor [Ch. 5]uncredited
Jerry Jerome
House Heavy [Ch.15]uncredited
Patrick Kelly
Marten Lamont
Steve - Pilot [Chs. 12-13]uncredited
Bert LeBaron
Fallon - Henchman [Chs. 10-11]uncredited
Jack O'Shea
House Heavy [Ch. 15]uncredited
Eddie Parker
Chuck - Lead Truck Thug [Chs. 8-9]uncredited
Hal Price
P&G Warehouse Mgr. [Ch. 10]uncredited
Ernest Sarracino
Henchman-Guard [Ch. 2]uncredited
Cy Schindell
Jake - Biplane Pilot [Ch. 2]uncredited
William Stahl
Detective Brockuncredited
Ted Stanhope
Warehouse Watchman [Ch. 7]uncredited
Tom Steele
Truck Henchmanuncredited
Harry Strang
Davis - Police Officer [Ch. 1]uncredited
Duke Taylor
Watkins - Fire Escape Thug [Chs. 6-7]uncredited
Robert Wayne
Detective Perryuncredited
Wally West
Palmer - Thug [Chs. 5-6]uncredited
Lloyd Whitlock
Prof. Williams [Chs. 12-14]uncredited
Bill Wilkus
Truck Henchman [Chs. 8-9]uncredited
Bud Wolfe
Sailor at Cable [Chs. 3-4]uncredited