After experimenting on himself and becoming invisible, scientist Jack Griffin, now aggressive due to the drug's effects, seeks a way to reverse the experiment at any cost.
Dr. Jack Griffin
Flora Cranley
Dr. Arthur Kemp
Dr. Cranley
Jenny Hall
Herbert Hall
Chief of Police
Constable Jaffers
Chief Detective
Inspector Bird
Inspector Lane
Millie
Detective Thompson (uncredited)
Radio Announcer (uncredited)
Villager Playing Darts (uncredited)
Bicycle Owner (uncredited)
Farmer (uncredited)
Townswoman at Pub (uncredited)
Informer Suggesting Ink (uncredited)
Villager (uncredited)
Reporter (uncredited)
Screaming Woman (uncredited)
Woman (uncredited)
Doctor (uncredited)
Constable (uncredited)
Constable (uncredited)
Cop (uncredited)
Party Guest (uncredited)
Detective Hogan (uncredited)
Official (uncredited)
Old Farmer with Barn (uncredited)
Orphanage Worker (uncredited)
Hospital Doctor (uncredited)
2nd Man Calling Police ('Frost')(uncredited)
Director
Screenplay
Producer
Writer