Jack Palance
Neal Mottram

Diana Dors
Dolly Newman

Julie Ege
Helena

Edith Evans
Aunt Louise

Hugh Griffith
Solicitor

Trevor Howard
Supt. Bellamy

Michael Jayston
Detective Sgt. Wall

Suzy Kendall
Sally

Martin Potter
Ronnie

Percy Herbert
Detective Constable Russet

David Warbeck
Detective Wilson

Kathleen Byron
Muriel Sharp

Marianne Stone
Jane - Barmaid

Dean Harris
Ronnie's Friend

Anthony Chinn
Customer (uncredited)

Frank Forsyth
Man at Will Reading (uncredited)

Alan Harris
Coven Member (uncredited)

Kristopher Kum
Customer (uncredited)

Brian McDermott
Policeman Following Ronnie (uncredited)

Anita Sharp-Bolster
Woman at Will Reading (uncredited)

Guy Standeven
Milkman (uncredited)