Lee Frost Director, Writer, Screenwriter Ray Milland Maxwell Kirshner Actor Rosey Grier Jack Moss Actor Don Marshall Dr. Fred Williams Actor Roger Perry Dr. Philip Desmond Actor Chelsea Brown Lila Actor Kathrine Baumann Patricia Actor John Dullaghan Thomas Actor John Bliss Donald Actor Wes Bishop Writer, Screenwriter, Producer James Gordon White Screenwriter John Lawrence Executive Producer James H. Nicholson Executive Producer Jack Steely Cinematographer Roger Gentry Production Manager Robert O. Ragland Original Music