Cast:
Patrick Troughton, Anneke Wills, Michael Craze, Frazer Hines, Peter Jeffrey, Graham Armitage, Ian Fairbairn, Jane Enshawe, Sandra Bryant, Karol Keyes, Maureen Lane, Terence Lodge, Gertan Klauber, Graham Leaman, Anthony Gardner, Denis Goacher, Richard Beale, Robert Jewell, John Harvey, John Caesar, Steve Emerson, Danny Rae, Ralph Carrigan, Roger Jerome, Terry Wright