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

Sidney Hayers