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 (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)
Fanny Carby
Nanny in the Park (Uncredited)
Cyril Chamberlain
Uniformed Police Officer (Uncredited)
Peggy Ann Clifford
Shopkeeper (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)
Jack McNaughton
Hotel Porter (Uncredited)
Charlotte Mitchell
Farmer's Wife (Uncredited)
Hugh Morton
Dr. Fairfax (Uncredited)
Dandy Nichols
Mrs. Gamble (Uncredited)
John Pike
Urchin (Uncredited)
Ewen Solon
Bus Inspector (Uncredited)
Marianne Stone
Mrs. Marley (Uncredited)
Alma Taylor
Mrs. Bellamy (Uncredited)
Michael Ward
Mantilla (Uncredited)
Ronald Ward
Military Man (Uncredited)
John Welsh
Police Scientist (Uncredited)
Leonard White
Sergeant Thorne (Uncredited)
George Woodbridge
Taxi Driver (Uncredited)
John Adams
Police Sergeant (Uncredited)
Harry Brunning
Park Keeper (Uncredited)
Glenda Davies
Young Girl in Chemist (Uncredited)
Ray Jackson
Young Police Scientist (Uncredited)
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)