Casts
John Loder
as Reginald Parker / Edward Grey
June Duprez
as April Manby Carson
Michael St. Angel
as Lieutenant Bob Carson
Miles Mander
as Chief Inspector W.R. Allison
Rose Hobart
as Dorothy Kent
Gilbert Emery
as Dr. Manby
Rex Evans
as Leslie Shelton
Matthew Boulton
as Inspector Graham
Olaf Hytten
as Banks
Lydia Bilbrook
as Mrs. Manby
