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