Movie
As novice detectives, Bud and Lou come face to face with the Invisible Man.
Bud Alexander
Lou Francis
Helen Gray
Tommy Nelson
Boots Marsden
Boots Morgan
Det. Roberts
Dr. Philip Gray
Radio Announcer
Rocky Hanlon
Professor Dugan (uncredited)
Sneaky (uncredited)
Officer (uncredited)
Bald Man (uncredited)
Fight Spectator (uncredited)
Trainer (uncredited)
Ring Announcer (uncredited)
Man at Bar (uncredited)
Reporter (uncredited)
Dugan Detective School Graduate (uncredited)
Counter Man (uncredited)
Trainer (uncredited)
Newspaperman (uncredited)
Fight Spectator (uncredited)
Col. Duffie (uncredited)
Man (uncredited)
Reporter (uncredited)
Hospital Visitor (uncredited)
Man in Gym (uncredited)
Motorcycle Cop (uncredited)
Reporter (uncredited)
Milt (uncredited)
Bartender (uncredited)
Man (uncredited)
Fighter on Rowing Machine (uncredited)
Graduation Spectator (uncredited)
Policeman (uncredited)
Fight Spectator (uncredited)
Policeman (uncredited)
Trainer (uncredited)
Fight Spectator (uncredited)
Cop (uncredited)
Torpedo Al (uncredited)
Tough Guy in Bar (uncredited)
Dr. Turner (uncredited)
Graduation Spectator (uncredited)
Restaurant Patron (uncredited)
Photographer (uncredited)
Training Spectator (uncredited)
Fight Spectator (uncredited)
Fight Spectator (uncredited)
Photographer (uncredited)
Dugan Detective School Graduate (uncredited)
Rocky's Handler (uncredited)
Waiter (uncredited)
Fight Spectator (uncredited)
Waiter (uncredited)
Fighter (uncredited)
Nurse (uncredited)
Attendant (uncredited)
Lou's Handler (uncredited)
Newspaperman (uncredited)
Dugan Detective School Graduate (uncredited)
Referee (uncredited)
Stillwell (uncredited)
Rooney - Rocky's Manager (uncredited)