Kate Winslet

Hester Wallace

Tom Hollander

Logie

Tim Bentinck

U-boat Commander

Michael Apted

Director

Saffron Burrows

Claire Romilly

Donald Sumpter

Leveret

Corin Redgrave

Admiral Trowbridge

Angus MacInnes

Commander Hammerbeck

Jeremy Northam

Mr. Wigram

Richard Leaf

Baxter

Dougray Scott

Tom Jericho

Edward Hardwicke

Heaviside

Guy East

Executive Producer

Nigel Sinclair

Executive Producer

Nikolaj Coster-Waldau

Puck

Matthew Macfadyen

Cave

Bohdan Poraj

Pinker

Paul Rattray

Kingcome

Tom Fisher

Upjohn

Robert Pugh

Skynner

Nicholas Rowe

Villiers

Michael Troughton

Mr. Mermagen

Anne-Marie Duff

Kay

Mary MacLeod

Mrs. Armstrong

Rosie Thomson

Duty Clerk

Richard Katz

De Brooke

Emma Davies

Pamela

Thomas Garvin

Executive Producer

Hanno Huth

Executive Producer

Victoria Pearman

Executive Producer

Michael White

Executive Producer