출연진
Suzy Kendall
Julie West
Frank Finlay
Det. Chief Supt. Velyan
Freddie Jones
Reporter
James Laurenson
Greg Lomax
Lesley-Anne Down
Tessa Hurst
Tony Beckley
Leslie Sanford
Anthony Ainley
Mr. Bartell
Dilys Hamlett
Mrs. Sanford
James Cosmo
Det. Sgt. Beale
Marianne Stone
Matron
Allan Cuthbertson
Coroner
Kit Taylor
Doctor
Janet Lynn
Girl in Library
Patrick Jordan
Sgt. Milton
Anabel Littledale
Susan Miller
Tom Chatto
Police Doctor
Jan Butlin
Day Receptionist
William Hoyland
Chemist in Hospital
John Swindells
Desk Sergeant
Jill Carey
Night Receptionist
David Essex
Man in Chemist Shop