Brad and Barbara Washburn were filmed by National Geographic and RKO Pictures on their ascent of Mount McKinley in Alaska. The film is a pictorial record of the first scientific conquest of Mount McKinley, filmed with the cooperation of the Boston Museum of Science. The short is part of the RKO's 'This is America' documentary series.

Harry Wismer
as Self - Narrator

Dwight Weist
as Narrator

Bradford Washburn
as Self

Barbara Washburn
as Self

H.T. Victoreen
as Self

James Gale
as Self

Grant Pearson
as Self

William Hackett
as Self

Earl Norris
as Self

George Brown
as Self