I Love a Mystery

The Devil's Mask

The Unknown

Karen Morley

Rachel Martin

Jim Bannon

Jack Packard

Jeff Donnell

Nina Arnold

Mark Roberts

Reed Cawthorne (as Robert Scott)

Robert Wilcox

Richard Arnold

Barton Yarborough

Doc Long

James Bell

Edward Martin

Wilton Graff

Ralph Martin

Helen Freeman

Phoebe Martin

Robert Kellard

James Wetherford (as Robert Stevens)

J. Louis Johnson

Joshua (uncredited)