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Walter Langham is a real person portrayed by Patrick McCormick in the TV series Mysteries At The Museum (based on a true story).
They appear in 1 episodes out of a total of 305 aired

Walter Langham

by Patrick McCormick

character

Episodes1

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    White House Water and More
    episode S12.E11 october 2016
    11. White House Water and More Don investigates an old map, a wooden barrel and an ancient chalice.