Special Guest Stars Ed Begley as Dr. Samuel Crowell Guest Stars Sally Kellerman as Laura Crowell James T. Callahan as Dr. Harry Mills Co Starring William Sumper as Cab Driver Ed Peck as Darrow Virginia Christine as Mrs. Thorne John Zaremba as Professor Ed Harrison E.J. Andre as Dr. Henry Thorne Barbara Dodd as Miss Fox Martin Blaine as Argyle William Quinn as Lieutenant Eaton Wilhelm Von Homburg as Alien Patient Uncredited Benjie Bancroft as Police Officer Hal Taggart as Pedestrian
