John Mills as Captain R.F. Scott R.N.

Derek Bond as Captain L.E.G. Oates

Harold Warrender as Dr. E. A. Wilson

James Robertson Justice as P.O. (Taff) Evans R.N.

Reginald Beckwith as Lt. H. R. Bowers RIM

Kenneth More as Lt. E.G.R. (Teddy) Evans R.N.

James McKechnie as Surgeon Lt. E.L. Atkinson R.N.

John Gregson as P.O. T. Crean R.N.

Norman Williams as Chief Stoker W. Lashly R.N.

Barry Letts as Apsley Cherry-Garrard

Clive Morton as Herbert Ponting F.R.P.S.

Anne Firth as Oriana Wilson

Diana Churchill as Kathleen Scott

Dennis Vance as Charles S. Wright

Larry Burns as P.O. P. Keohane R.N.

Edward Lisak as Dimitri

Melville Crawford as Cecil Meares

Christopher Lee as Bernard Day

John Owers as F. J. Hooper

Bruce Seton as Lt. H. Pennell R.N.

Sam Kydd as Leading Stoker E. McKenzie R.N.

Mary Merrett as Helen Field

Percy Walsh as Chairman of Meeting

Noel Howlett as First Questioner

Philip Stainton as Second Questioner

Desmond Roberts as Admiralty Official

Dandy Nichols as Caroline

David Lines as Telegraph Boy