Attack of the Crab Monsters

Richard Garland Dale Drewer Pamela Duncan Dr. Martha 'Marti' Hunter Russell Johnson Hank Chapman Leslie Bradley Dr. Karl Weigand Mel Welles Jules Deveroux Richard H. Cutting Dr. James Carson Beach Dickerson Seaman Ron Fellows Tony Miller Seaman Jack Sommers Ed Nelson Ensign Quinlan Charles B. Griffith Seaman Mac, wears sunglasses Maitland Stuart Diving-double for male cast Robin Riley Diving-double for Pamela Duncan