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

Shirley Anne Field

Girl Working at Taxi Garage

Joan Hickson

Chemist (Uncredited)

Joan Sims

Ice Cream Seller in the Park (Uncredited)

Mona Washbourne

Librarian (Uncredited)

Barbara Windsor

Young Girl in Chemist (Uncredited)

Freda Bamford

Zoe's Mother (Uncredited)

Robert Brown

Farmer with Shotgun (Uncredited)

Cyril Chamberlain

Uniformed Police Officer (Uncredited)

Guy Deghy

Erikkson (Uncredited)

Grace Denbigh Russell

Mrs. Robey's Neighbour (Uncredited)

Dorothy Gordon

Ice Cream Girl's Friend (Uncredited)

Fred Griffiths

Gamble (Uncredited)

Percy Herbert

Police Constable in Phone Box (Uncredited)

Glyn Houston

Bus Driver (Uncredited)

Jack Lambert

Police Station Sergeant (Uncredited)

Arthur Lovegrove

Railway Workman (Uncredited)

William Lucas

Press Photographer (Uncredited)

Charlotte Mitchell

Farmer's Wife (Uncredited)

Hugh Morton

Dr. Fairfax (Uncredited)

Dandy Nichols

Mrs. Gamble (Uncredited)

Ewen Solon

Bus Inspector (Uncredited)

Marianne Stone

Mrs. Marley (Uncredited)

Alma Taylor

Mrs. Bellamy (Uncredited)

Michael Ward

Mantilla (Uncredited)

John Welsh

Police Scientist (Uncredited)

Leonard White

Sergeant Thorne (Uncredited)

George Woodbridge

Taxi Driver (Uncredited)

Ray Jackson

Young Police Scientist (Uncredited)

Joe Phelps

Police Constable (Uncredited)

Richard Rogers

Urchin (Uncredited)