Eric Portman

Kuprin

John Gregson

Smith

Marius Goring

Laye-Parker

Martita Hunt

Madame Kuprin

Natasha Parry

Vera

Mervyn Johns

Holloway

John Phillips

Trifonov

Charles Rea

M.V.D. Officer

Kenneth J. Warren

Makarov

John Bramley

Photographer

John Bennett

Zagornetz

Alfred Hoffman

Hotel Clerk

Kevin Brennan

Hotel Manager

Peter Sallis

Hesketh-Payne

Beryl Measor

Marfushka

Declan Mulholland

Makarov's Assistant

Maurice Hedley

British Ambassador

Ann Patrick

Nina

Steve Reagan

Mr. Ashby (as Steve Regan)

John Rutland

Ticket Collector

Ann Dimitri

Tamara

Peter Elliott

Doctor

Frank Sieman

Reception Clerk

Patrick Troughton

Narrator (voice)