JACK ARMSTRONG

John Hart

Jack Armstrong

Rosemary La Pla...

Betty Fairfield

Claire James

Princess Alura [Chs....

Joe Brown Jr.

Billy Fairfield (as ...

Pierre Watkin

Uncle Jim Fairfield

Wheeler Oakman

Prof. Hobart Zorn

Jack Ingram

Henchman Blair

Eddie Parker

Henchman Slade

Hugh Prosser

Vic Hardy

Wallace Fox

Diretor(a)

Arthur Hoerl

Roteirista

Leslie Swabacke...

Roteirista

George H. Plymp...

História

Lewis Clay

Roteirista

Royal K. Cole

Roteirista