On screen
Cast
18 credited performers
Edward Norris
Philip Bennett
Marlo Dwyer
Helen Lengel
Anthony Warde
Hugo
Eleanor Lawson
Louise Hammond
Artwork unavailable
Frederick Burton
Hobart Bennett
Addison Richards
Lt. Detective George Bradley
Edward Keane
Dr. Richard Clark
Hugh Sothern
Prof. Toller
Tom Seidel
Reg Bennett
Elliott Sullivan
Eric
Ernie Adams
Gimpy
Kenne Duncan
Jess Fowler
Artwork unavailable
George Dobbs
Tim Martin
Artwork unavailable
Lois Landon
Aunt Margaret
Artwork unavailable
Frances Richards
Nurse
Artwork unavailable
Jack Buckley
Mitch Larsen
Jack Ingram
Ed. Sporady (as Jack Ingraham)
Artwork unavailable
George Kirby
The Bennett Butler