National Geographic Video: Secrets of the Titanic
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. Director: Robert Ballard / Graham Hurley / Nicolas Noxon
Writer: Nicolas Noxon
Stars: Robert Ballard / Martin Sheen / John Jacob Astor / Margaret Brown / Charles Herbert Lightoller
Genre: Documentary
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