Bruce Scott
Jackie Cooper
Mary Scanlon
Vondell Darr
Doc
Jason Robards Sr.
Hermie - a Boy Scout
Sidney Miller
Leeka
Dick Botiller
Lokola -Indian Tribe High Priest
George Regas
Scoutmaster Hale [Ch. 1]
Jack Mulhall
Boy Scout
Edwin Brian
G-Man Blaine [Chs. 11-12]
Sam Bernard
G-Man Ed Billings [Chs. 1-2]
Emmett Vogan
G-Man Jim Carson [Chs. 11-12]
Lee Phelps
Henchman Slade
Ed Brady
Pat Scanlon
Edwin Stanley
Rip's Gang Member
Bill Cartledge
Indian
Iron Eyes Cody
Jim Hussey
Indian Boy
Lucien Maxell
David McKim
Joe, Message Rider
Eddie Parker
Franklin D. Roosevelt (archive footage)
Franklin D. Roosevelt
Runaway Surrey Driver
Tom Steele
Joe - Truck Driver-Henchman
Max Wagner
G- Man Hal Marvin
William Ruhl
'Skeets' Scanlon
Bill Cody Jr.
'Rip' Dawson
David Durand
Henchman Pug O'Toole
Ralph Dunn
Ken - a Boy Scout
Frank Coghlan Jr.
Turk Mortensen
Ivan Miller
Henchman Hurst
Victor Adams
Story
Irving Crump
Screenplay
George H. Plympton
Basil Dickey
Director
Alan James
Joseph F. Poland
Wyndham Gittens
Ray Taylor