George Smiley: Peter Vaughan
The Hon. Jerry Westerby: Martin Jarvis
Peter Guillam: John Rowe
Connie Sachs: Mary Wimbush
Doc di Salis: Cyril Shaps
Craw/Drake Ko: Henry Stamper
Molly Meakin: Heather Barrett
Frost/Murphy: Terry Molloy
Mr Pelling/Mr Tiu: Roger Hume
Sam Collins: Alexander John
The Rev Hibbert: Colin Douglas
Doris Hibbert: Shirley Stelfox
Martello: Paul Maxwell
Saul Enderby: Ronald Baddiley
Oliver Lacon: Edward Cast
Mrs Pelling: Freda Dowie
Roddy Martindale: Stephen Hancock
Wilbraham: Christopher Banks
Miss Green: Patricia Gibson
Lizzie Worthington: Natasha Pyne
Tiny Ricardo: Peter Marinker
American Major: David Vann