Julie West

Suzy Kendall

Det. Chief Supt. Velyan

Frank Finlay

Coroner

Allan Cuthbertson

Doctor

Kit Taylor

Girl in Library

Janet Lynn

Sgt. Milton

Patrick Jordan

Susan Miller

Anabel Littledale

Police Doctor

Tom Chatto

Day Receptionist

Jan Butlin

Chemist in Hospital

William Hoyland

Desk Sergeant

John Swindells

Night Receptionist

Jill Carey

Reporter

Freddie Jones

Man in Chemist Shop

David Essex

Girl in Chemist Shop

Valerie Shute

Fire Chief

John Stone

Jenny Greenaway

Siobhan Quinlan

Mrs. Hurst (uncredited)

Patricia Driscoll

Final scene pc (uncredited)

Pat Gorman

Dead Chemist (uncredited)

Charles Rayford

Doctor (uncredited)

Renu Setna

Man in Police Station (uncredited)

Reg Thomason

Police Driver (uncredited)

Joe Wadham

Greg Lomax

James Laurenson

Tessa Hurst

Lesley-Anne Down

Leslie Sanford

Tony Beckley

Mr. Bartell

Anthony Ainley

Mrs. Sanford

Dilys Hamlett

Det. Sgt. Beale

James Cosmo

Matron

Marianne Stone

Producer

Peter Rogers

Director

Sidney Hayers

Screenplay

John Kruse

Novel

Kendal Young

Original Music Composer

Eric Rogers

Costume Design

Courtenay Elliott