Elenco (na ordem dos créditos)
Robert Montgomery
Self - Narrator(voice)
Robert Taylor
Van Heflin
James Forrestal
Self
Chester W. Nimitz
Richard E. Byrd
Richard Cruzen
Robert S. Quackenbush
George J. Dufek
Paul A. Siple
Charles W. Thomas
Vernon D. Boyd
Charles A. Bond
David E. Bunger
John E. Clark
John D. Howell
William Kearns
Ralph LeBlanc
Henry H. Caldwell
Owen McCarty
William Warr
James H. Robbins
Richard E. Byrd Jr.
Self(uncredited)
R. Moore
William C. Park