As credited
Thomas Kramer... David Horovitch
Elsie Kramer... Elizabeth Bell
Eric Stephens... Robert Picavance
William... Cassian Horowitz
Policeman 1...Neil Conrich
Official 1... Andrew Powell
Official 2... Paul Putner
Christopher Foyle... Michael Kitchen
Assistant Commissioner Summers... Edward Fox
Mark Andrews... Benedict Sandiford
Henry Beaumont... Robert Hardy
Greta Beaumont... Joanna Kanska
Sarah Beaumont... Rosamund Pike
Michael Turner... Dominic Mafham
Sam Stewart... Honeysuckle Weeks
Bob Keegan... Robert Goodale
Andrew Foyle... Julian Ovenden
Ian Judd... Philip Whitchurch
Tracey Stephen... Nancy Lodder
Ray Pritchard... James McAvoy
Dr Julian Groves... Tom Chadbon
Doctor... Jonathan Hackett
Paul Milner... Anthony Howell
Policeman 2... Sam Troughton