Bud Abbott and Lou Costello Meet 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)