In the 1930s, a sailor trying to prove that his brother was wrongly executed for murder finds himself becoming drawn into the occult world.

George Hamilton
as Don Drake

Ray Milland
as Jim Moss / Varrick

Joan Blondell
as Levenia

Linda Cristal
as Vera LaValle

Ralph Meeker
as Lieutenant Reardon

James McEachin
as Frankie Specht

Reggie Nalder
as Perdido

Jerry Douglas
as Ralph Drake

Yvette Vickers
as Miss Adrian

Milton Parsons
as Frazier