Enigma

Dougray Scott

Tom Jericho

Kate Winslet

Hester Wallace

Saffron Burrows

Claire Romilly

Jeremy Northam

Mr. Wigram

Nikolaj Coster-Waldau

Puck

Tom Hollander

Logie

Donald Sumpter

Leveret

Matthew Macfadyen

Cave

Richard Leaf

Baxter

Bohdan Poraj

Pinker

Paul Rattray

Kingcome

Tom Fisher

Upjohn

Robert Pugh

Skynner

Corin Redgrave

Admiral Trowbridge

Nicholas Rowe

Villiers

Angus MacInnes

Commander Hammerbeck

Michael Troughton

Mr. Mermagen

Edward Hardwicke

Heaviside

Anne-Marie Duff

Kay

Tim Bentinck

U-boat Commander

Mary MacLeod

Mrs. Armstrong

Rosie Thomson

Duty Clerk

Richard Katz

De Brooke

Emma Davies

Pamela