All Cast
Moe Howard
Moe
Larry Fine
Larry
Curly Howard
Curly
Lew Kelly
Prof. J. O. Dunkfeather
Stanley Brown
Wilson, the Reporter
Theodore Lorch
Graves, the Inventor
Charles Middleton
Graves' Valet
Stanley Blystone
Spy Leader
Helen Servis
Ultra-Thin Housewife
Symona Boniface
Plumpish Housewife
Shirley Patterson
Perkins, the Secretary
Heinie Conklin
Devil Costume Spy