Michael Conrad, owner of a group of strange animals, trains his beasts to obey him, unleashing them on anyone who stands in his way. His wife and mute assistant begin to suspect that they too are becoming part of the black zoo.
Michael Gough
as Michael Conrad
Jeanne Cooper
as Edna Conrad
Rod Lauren
as Carl
Virginia Grey
as Jenny Brooks
Jerome Cowan
as Jerry Stengel
Elisha Cook Jr.
as Joe
Edward Platt
as Chief Rivers
Douglas Henderson
as Lt. Mel Duggan
Marianna Hill
as Audrey
Byron Morrow
as Coroner
Oren Curtis
as Radu
Jerry Douglas
as Perkins - Lab Technician
