Edna Murphy
Corinne Grant
Acting
Charley Chase
Glen Harper
Acting
Hayford Hobbs
Donald Bartlett
Acting
William F. Moran
Dr. Philip Markham
Acting
Scott Pembroke
Dr. Harrison
Directing
William Gillespie
John Dryden
Acting
Glenn Tryon
Reporter
Acting
Ray Myers
Clinton Hodge
Acting
Colin Kenny
Stanley Fleming
Acting
Eddie Baker
Jack Reynolds (as Ed Baker)
Acting
Fred McPherson
Professor Comstock
Acting
Frank Lackteen
Malay George
Acting
Sam Lufkin
Sam Comstock
Acting
Fong Wong
Oracle of the Sands
Acting