Characters played by Claude Rains
Dr. Jack Griffin aka The Invisible Man
Characters played by Gloria Stuart
Flora Cranley
Characters played by William Harrigan
Dr. Arthur Kemp
Characters played by Henry Travers
Dr. Cranley
Characters played by Una O'Connor
Jenny Hall
Characters played by Forrester Harvey
Herbert Hall
Characters played by Holmes Herbert
Chief of Police
Characters played by E.E. Clive
Constable Jaffers
Characters played by Dudley Digges
Chief Detective
Characters played by Harry Stubbs
Inspector Bird
Characters played by Donald Stuart
Inspector Lane
Characters played by Merle Tottenham
Millie