Jackie Cooper

Bruce Scott

Vondell Darr

Mary Scanlon

Edwin Stanley

Pat Scanlon

William Ruhl

G- Man Hal Marvin

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

Victor Adams

Henchman Hurst

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]

Edwin Brian

Boy Scout

Sam Bernard

G-Man Blaine [Chs. 11-12]

Emmett Vogan

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

Lee Phelps

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

Ed Brady

Henchman Slade

Bill Cartledge

Rip's Gang Member

Iron Eyes Cody

Indian

Jim Hussey

Boy Scout

Lucien Maxell

Indian Boy

David McKim

Boy Scout

Eddie Parker

Joe, Message Rider

Franklin D. Roosevelt

Franklin D. Roosevelt (archive footage)

Tom Steele

Runaway Surrey Driver

Max Wagner

Joe - Truck Driver-Henchman