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