James Bolam
— Mark Omney
Rosalind Ayres
— Annabelle Fraser
Michael Culver
— Dr. Walcott Brown
Christopher Benjamin
— Det. Chief Insp. Tarrant
Beatrix Lehmann
— Blanche Terraine
Sam Sewell
— Der. Const. Barnes
James Berwick
— Col. Forde
Suzanne Bertish
— Claire Omney
Georgine Anderson
— Mrs. Forde
Graham Rowe
— Mr. Carson Clark
Patricia Lawrence
— Mrs. Carson Clark
Tricia George
— Melissa Carson Clark
Isabelle Amyes
— Julie Villiers
Tony Mathews
— George Beatty
Vass Anderson
— Soames
Alan Ford
— Bill
Yvonne Edgell
— Margaret
Harold Goodwin
— Kibble
Arthur Blake
— Mr. Dyer
Milton Johns
— Tim Kennaway
Sally Anne Newton
— Rosemary
Susan Richards
— Lady Marchant
Elizabeth Croft
— Mrs. Sangster
Rosamund Greenwood
— Mrs. Woldingham
Aimée Delamain
— Mrs. Franklin
William Moore
— Landlord
Anton Phillips
— Barman
Peter Welch
— Mechanic
Frank Duncan
— Announcer (voice)