All Cast

Richard Garland

Richard Garland

Dale Drewer

Pamela Duncan

Pamela Duncan

Dr. Martha 'Marti' Hunter

Russell Johnson

Russell Johnson

Hank Chapman

Leslie Bradley

Leslie Bradley

Dr. Karl Weigand

Mel Welles

Mel Welles

Jules Deveroux

Richard H. Cutting

Richard H. Cutting

Dr. James Carson

Beach Dickerson

Beach Dickerson

Seaman Ron Fellows

Tony Miller

Tony Miller

Seaman Jack Sommers

Ed Nelson

Ed Nelson

Ensign Quinlan

Charles B. Griffith

Charles B. Griffith

Seaman Mac, wears sunglasses

Maitland Stuart

Maitland Stuart

Diving-double for male cast

Robin Riley

Robin Riley

Diving-double for Pamela Duncan