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 Barbara Dodd as Miss Fox Virginia Christine as Mrs. Thorne John Zaremba as Professor Ed Harrison William Quinn as Lieutenant Eaton E.J. Andre as Dr. Henry Thorne Ed Peck as Darrow Martin Blaine as Argyle Wilhelm Von Homburg as Alien Patient Uncredited Benjie Bancroft as Police Officer Hal Taggart as Pedestrian
