Guest Stars David Haig as Conrad Smyth Charles Collingwood as Freddie Parkinson Peter Pacey as Boy Morland Colin Prockter as Reverend Harker Donna Wilson as Mrs. Osborne Richard O'Callaghan as Bald-Headed Man Daniel André Pageon as Maitre d'Hotel Chris Sanders as Chef de Train Paul Humpoletz as Conductor Derek Smith as Colonel Walmesley-Jones Grant Thatcher as Mr. Osborne Henri Szeps as Police Inspector Marc Zuber as Auguste Kars Graeme Edler as Gendarme Peter Rylands as Gendarme Sharon Maughan as Dore Nicholson Steven Wickham as Boris Rupert Bates as Ambrose Meek
