Actors who appeared in individual episodes of the series included Dennis Price, Derek Nimmo, Francis Matthews, John Le Mesurier, Brian Wilde, Pauline Yates, James Villiers, Denholm Elliott, Kenneth Griffith, Geoffrey Keen, Billy Milton, Joan Benham, Peter Vaughan, Allan Cuthbertson, Wilfrid Lawson, Patrick Cargill, Patsy Smart, Adrienne Posta, Diane Clare, Michael Aldridge, Anthony Dawes, Olaf Pooley, Reginald Beckwith, Donald Hewlett and John Junkin.