Pool of London

Joan Dowling

As Pamela, Maisie's sister

James Robertson Justice

As Engine Room Officer Trotter

Leslie Phillips

As Harry

Alfie Bass

As Alf

John Longden

As DI Williams

Michael Golden

As Customs Officer Andrews

Christopher Hewett

As Mike

John Adams

As Plainclothes Policeman in Squad Car (uncredited)

John Arnatt

As Squad Car Officer (uncredited)

Mae Bacon

As Ethel the Barmaid (uncredited)

Ian Bannen

As Garage attendant (uncredited)

George Benson

As George (uncredited)

Arthur Bentley

As Pamela's Boyfriend (uncredited)

Beckett Bould

As The Murdered Watchman (uncredited)

John Boxer

As Detective in Pub (uncredited)

Michael Corcoran

As Sam (uncredited)

Arthur Cortez

As Jock (uncredited)

Dan Cressey

As Customs Officer (uncredited)

David Davies

As Officer on the Dunbar (uncredited)

Frank Forsyth

As Police Constable Witnessing Robbery (uncredited)

Rowena Gregory

As Mary (uncredited)

Fred Griffiths

As Sailor on Barge (uncredited)

Pat Hagan

As Squad Car Officer (uncredited)

Ellis Irving

As Superintendent (uncredited)

Sam Kydd

As 2nd Engineer (uncredited)

Howard Lang

As Detective Detaining Suspect (uncredited)

James Liggat

As Bit Part (uncredited)

Victor Maddern

As First Tram Conductor (uncredited)

Jack May

As Sailor on the Dunbar (uncredited)

George Merritt

As Captain of Dunbar (uncredited)

Arthur Mullard

As Seaman on the Dunbar (uncredited)

Laurence Naismith

As Commissionaire (uncredited)

Paul Rich

As Singer in Pub (uncredited)

Jack Sharp

As Dock Worker (uncredited)

Campbell Singer

As Station Sgt. (uncredited)

George Spence

As Pub Patron (uncredited)

Ivan Staff

As Edward - Speaker at Hyde Park Corner (uncredited)

Eric Thompson

As Garage Pump Attendant (uncredited)

Frederick Treves

As Detective at Bank (uncredited)

Mavis Villiers

As Drinking Club Blonde (uncredited)

Michael Ward

As Pianist (uncredited)

John Warwick

As Inspector Jim Moss (uncredited)

Russell Waters

As Sgt. - River Police (uncredited)

Henry Webb

As Speaking Extra (uncredited)

Meadows White

As Alf - Theatre Performer (uncredited)