John Florea Director Gene Fowler Jr. Director Arthur C. Pierce Director, Screenwriter Robert Foxworth Lt. Charles Barrett Actor Stefanie Powers Candy Barrett Actor Elke Sommer Chris Hartman Actor Sue Lyon Darlene DeLong Actor Mark Slade Detective Holt Actor Leslie Parrish Colleen Hudson Actor Marianna Hill Bambi Greer Actor Percy Rodrigues Captain Wells Actor Alex Dreier Dr. Ulmer Actor Fred Jordan Executive Producer Earle Lyon Producer Alan Stensvold Cinematographer Bud S. Isaacs Film Editing Edward R. Morse Casting Milt Trager Art Director