Kadro (17)
Sylvia SidneyHelen Smith aka Helen Vail
Chester MorrisJohn 'Doc' Madison
Robert CooganBobbie Holmes
John WrayThe Frog
Ned SparksHarry Evans
Hobart BosworthThe Patriarch
Lloyd HughesRobert Thornton
Virginia BruceMargaret Thornton
Boris KarloffNikko
Irving PichelHenry Holmes
Frank DarienHiram Higgins
Florine McKinneyBetty HigginsVeda Buckland
Monte Collins
Lew Kelly
Robert Parrish
Bodil Rosing