Guest Stars Stephen Churchett as Humphrey Poole Jason Barry as Rory O'Niel Jay Villiers as Dr. Anthony Watt Glen Davies as Colin Philip Philmar as Mr Andrews Sandy McDade as Christine Paul Clarkson as Professor Barker Nigel Hastings as Henry Gibbs Kenneth Hadley as Doctor Tat Whalley as Kevin Barry McNicholl as Howie Judy Browne as Nurse Sorcha Brooks as Jan
