Mr. Monk Is Underwater

Summary

A former friend of Mitch's dies in a locked room aboard a submarine and everyone cries suicide. When Monk and the crew investigate, the ship suddenly descends and Monk finds himself trapped on-board, underwater.

Guest stars

• William Atherton as Commander Nathan Whitaker
• Héctor Elizondo as Neven Bell
• Scott MacDonald as Chief of Boat
• Casper Van Dien as Steven Albright
• La Monde Byrd as Petty Officer Wedoes
• Rob Evors as Petty Officer Kramer
• Dan McNeill as Passing Sailor #1
• Pepper Sweeney as Navy Cook
• Tom Nagel as Passing Sailor #2
• David A. Jansen as Lt. Jason Pierce (uncredited)