Humanoids from the Deep

Doug McClure Jim Hill Ann Turkel Dr. Susan Drake Vic Morrow Hank Slattery Cindy Weintraub Carol Hill Anthony Pena Johnny Eagle Denise Galik Linda Beale Lynn Theel Peggy Larson Meegan King Jerry Potter Breck Costin Tommy Hill Hoke Howell Deke Jensen Don Maxwell Dickie Moore David Strassman Billy Greg Travis Mike Michaels, Radio Announcer Linda Shayne Sandy, Miss Salmon Lisa Glaser Becky Bruce Monette Jake Potter Amy Barrett Amy Shawn Erler John, Hill Baby Frank Arnold Old Man Jo Williamson Self on Piano Henry T. Williams Bass Lyle Isom Banjo Jonathan Lehan Fiddle Rob Bottin Humanoid (uncredited) Kent Adamson Humanoid Killer (uncredited) Steve Johnson Humanoid (uncredited) Larry Wessel Humanoid Killer (uncredited)