Character Relationship Map: Seas Beneath

Characters

• Cmdr. Robert 'Bob' Kingsley (played by George O'Brien) — protagonist

  Cmdr. Robert 'Bob' Kingsley is identified as the commander in a story centered on a U.S. mystery ship sent to find and sink a particularly effective German U-boat. The ship poses as a harmless schoone...

• Anna Marie Von Steuben (played by Marion Lessing) — supporting

  Anna Marie Von Steuben is the sister of the U-boat commander, Baron Ernst von Steuben. During the mystery ship's stop in the Canary Islands, the crew encounters Germans and people involved with them,...

• Fraulein Lolita (played by Mona Maris) — supporting
• Chief Mike 'Guns' Costello (played by Walter C. Kelly) — supporting
• 'Lug' Kaufman (played by Warren Hymer) — supporting
• Ens. Richard 'Dick' Cabot (as Gaylord Pendleton) (played by Steve Pendleton) — supporting
• German Chief Petty Officer (uncredited) (played by Philip Ahlm) — supporting
• Baron Ernst von Steuben (U-boat commander) (played by Henry Victor) — supporting

  Baron Ernst von Steuben commands the German U-boat that the U.S. mystery ship has been sent to find and sink. The U-boat has been especially effective against Allied shipping and is lurking offshore,...

• Lt. 'Mac' McGregor (played by Larry Kent) — supporting
• Chief Joe Cobb (played by Walter McGrail) — supporting
• Franz Shiller (played by John Loder) — supporting
• Eric - Captain of Trawler (uncredited) (played by Francis Ford) — minor
• Naval Reservist/Swimmer and Diver (uncredited) (played by Earl Wayland Bowman) — minor
• Naval Reservist (uncredited) (played by Bill Brande) — minor
• Naval Reservist (uncredited) (played by Robert Ford) — minor
• Hoffman (uncredited) (played by Curt Furberg) — minor
• Naval Reservist (uncredited) (played by Al Bennett) — minor
• Naval Reservist (uncredited) (played by Leonard Davison) — minor
• Naval Reservist (uncredited) (played by Joseph Depew) — minor
• Fritz Kampf (Second Officer of U-172) (uncredited) (played by Hans Fuerberg) — minor