Guest Stars Warren Stanhope as Johnson Simon Oates as Simon Croft Ray McAnally as Dr. James Norbert Ralph Michael as Sir Giles Watkins Douglas Jones as Pageboy Katie Fitzroy as Girl Anthony Doonan as Johnny David Cargill as Tout Geoffrey Reed as Geoffrey Reed Robert MacLeod as Jamieson Edward Rhodes as Digby Haynes Philip Bond as Philip Oliver Jacqueline Ellis as Martha Norbert Frank Forsyth as Commissionaire Lawrence James as Lew Geraghty Edward Evans as Frederick John Savident as Joe Gulliver