National Geographic Video: Secrets of the Titanic (1986)

Dr. Robert Ballard and his team of researchers explore the remains of the 1912 wreck of HMS Titanic 2 1/2 miles deep in the Atlantic.

Robert Ballard

Director

John Jacob Astor

como Self - passenger (uncredited)

Martin Sheen(I)

como Narrator (voice)

Jay Riddle

Actor

Robert Ballard

como Self (as Bob Ballard)

Michel 'Momon' Navratil

como Self (uncredited)

Margaret Brown

como Self - Passenger (uncredited)

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