Will Fyffe

Chief

Anthony Hulme

Steve

E. V. H. Emmett

Ted / Commentator

Guy Middleton

Pierre

Albert Lieven

Fritz

Hugh McDermott

Sam

Arthur Goullet

Ivan

Bill Russell

Adolf Hitler

J.E.T. Harper

Narrator (voice)

Patrick Dove

Self - Captain Patrick G.G. Dove, S.S. Africa Shell

Charles Pottinger

Self - Captain Charles Pottinger, S.S. Ashlea

F.M. Murphy

Self - First Officer F.M. Murphy, S.S. Tairoa

Aubrey Jenkins

Self - Enginer-Officer Aubrey Jenkins, S.S. Doric Star

Engineer Angel

Self - Engineer Angel, S.S. Tairoa

Engineer Walker

Self - Engineer Walker, S.S. Tairoa

Arthur Denton

Terry-Thomas

News Reader

Millicent Wolf

Secretary

Jack Raine

Cutter

Pat Williams

Cutter

Miles Malleson

Minor Role