Claude Rains

Dr. Jack Griffin aka The Invisible Man

Gloria Stuart

Flora Cranley

William Harrigan

Dr. Arthur Kemp

Henry Travers

Dr. Cranley

Una O'Connor

Jenny Hall

Forrester Harvey

Herbert Hall

Holmes Herbert

Chief of Police

E.E. Clive

Constable Jaffers

Dudley Digges

Chief Detective

Harry Stubbs

Inspector Bird

Donald Stuart

Inspector Lane

Merle Tottenham

Millie

Robert Adair

Detective Thompson

Edgar Barrier

Radio Announcer

Ted Billings

Villager Playing Darts

Walter Bonn

Townsman

Walter Brennan

Bicycle Owner

Robert Brower

Farmer