David Farrar

Detective Inspector Craig

David Knight

Lee Cochrane

Julia Arnall

Sue Cochrane

Anthony Oliver

Sergeant Lyel

Thora Hird

Kelly's landlady

Eleanor Summerfield

Sergeant Cook

Anne Paige

Nanny

Marjorie Rhodes

Mrs. Jeffries

Anna Turner

Mrs. Robey

Everley Gregg

Viscountess Cardale

Meredith Edwards

Sergeant Davies

Irene Prador

Mitzi

Anita Sharp-Bolster

Miss Gill

Beverley Brooks

Pam

Brenda Hogan

Sue's Secretary

Eileen Peele

Henrietta Gay

Shirley Anne Field

Girl Working at Taxi Garage

Joan Hickson

Chemist

Joan Sims

Ice Cream Seller in the Park

Mona Washbourne

Librarian

Barbara Windsor

Young Girl in Chemist

Freda Bamford

Zoe's Mother

Robert Brown

Farmer with Shotgun

Fanny Carby

Nanny in the Park (Uncredited)

Cyril Chamberlain

Uniformed Police Officer

Peggy Ann Clifford

Shopkeeper

Guy Deghy

Erikkson (Uncredited)

Grace Denbigh Russell

Mrs. Robey's Neighbour (Uncredited)

Dorothy Gordon

Ice Cream Girl's Friend

Fred Griffiths

Gamble (Uncredited)

Percy Herbert

Police Constable in Phone Box

Glyn Houston

Bus Driver

Jack Lambert

Police Station Sergeant (Uncredited)

Arthur Lovegrove

Railway Workman (Uncredited)

William Lucas

Press Photographer (Uncredited)

Jack McNaughton

Hotel Porter (Uncredited)

Charlotte Mitchell

Farmer's Wife (Uncredited)

Hugh Morton

Dr. Fairfax (Uncredited)

Dandy Nichols

Mrs. Gamble

John Pike

Urchin (Uncredited)

Ewen Solon

Bus Inspector (Uncredited)

Marianne Stone

Mrs. Marley

Alma Taylor

Mrs. Bellamy (Uncredited)

Michael Ward

Mantilla

Ronald Ward

Military Man (Uncredited)

John Welsh

Police Scientist (Uncredited)

Leonard White

Sergeant Thorne (Uncredited)

George Woodbridge

Taxi Driver

John Adams

Police Sergeant (Uncredited)

Harry Brunning

Park Keeper (Uncredited)

Glenda Davies

Young Girl in Chemist

Ray Jackson

Young Police Scientist

Margot Lister

Nanny (Uncredited)

Manny Michael

Police Driver (Uncredited)

Stuart Nicol

Constable with Books (Uncredited)

Joe Phelps

Police Constable (Uncredited)

Richard Rogers

Urchin (Uncredited)

Barbara Shotter

Mrs. Martin (Uncredited)

Martin Voss

Man in Street (Uncredited)