Jackie Cooper

Bruce Scott

Edwin Stanley

Pat Scanlon

Bill Cody Jr.

'Skeets' Scanlon

David Durand

'Rip' Dawson

Ralph Dunn

Henchman Pug O'Toole

Frank Coghlan Jr.

Ken - a Boy Scout

Ivan Miller

Turk Mortensen

Jason Robards Sr.

Doc

Sidney Miller

Hermie - a Boy Scout

Dick Botiller

Leeka

George Regas

Lokola -Indian Tribe High Priest

Jack Mulhall

Scoutmaster Hale [Ch. 1]

Emmett Vogan

G-Man Ed Billings [Chs. 1-2]

Lee Phelps

G-Man Jim Carson [Chs. 11-12]

Ed Brady

Henchman Slade

Iron Eyes Cody

Indian

Eddie Parker

Joe, Message Rider

Franklin D. Roosevelt

Franklin D. Roosevelt (archive footage)