David Tomlinson

Tom Baker

Peggy Cummins

Susan Lashwood

Brian Reece

Lieutenant Commander Peter Fraser

Eunice Gayson

Jane Godfrey

A.E. Matthews

Admiral Sir Maximillian Godfrey, K.C.B.

Joan Sims

Mary

Lionel Murton

Psychiatrist

Reginald Beckwith

Receptionist

Desmond Walter-Ellis

Flag Lieutenant Willy Oughton-Formby

Ronald Shiner

Salty Simpson

Peter Coke

Lieutenant Lashwood

Derek Blomfield

Sub-Lieutenant Dobson

Tom Gill

Petty Officer

Howard Williams

Sub-Lieutenant

Joan Hickson

Mother

Toke Townley

Steward

Arthur Lovegrove

Orderly

Ronald Adam

First Sea Lord

Sam Kydd

Attendant

Philip Ashley

First Officer (uncredited)

Alfie Bass

Orderly (uncredited)

Richard Duke

Crewman (uncredited)

Roy Everson

Seaman Jones (uncredited)

Harold Goodwin

Parker (uncredited)

Everley Gregg

Housekeeper (uncredited)

David Hannaford

Alfie (uncredited)

Victor Harrington

Naval Officer (uncredited)

James Hayter

Sir Henry Tomkinson (uncredited)

Walter Horsbrugh

Night Receptionist (uncredited)

Emrys Leyshon

Radio Operator (uncredited)

George Moon

Casey (uncredited)

Donald Pickering

Second Officer (uncredited)

Jimmy Ray

Bert (uncredited)

James Sharkey

Despatch Rider (uncredited)

John Timberlake

Visitor on HMS Sherwood (uncredited)

Neil Wilson

Seaman Washing Deck (uncredited)