Guest Stars Mark Rogers as Newsboy John Barron as Sir Revel Revell, Q.C. Clifford Cox as Police Sergeant Robert Webber as Clergyman Antony Viccars as Cabby Ken Haward as Clerk of the Court Margot Thomas as Lady Revell John Phillips as Professor Dyne John Crocker as Vincent Coyle Maurice Quick as Usher Joe Dunlop as P.C. Oates Gordon Gostelow as Inspector Mayhew Jack May as James Ladbroke, Q.C. Howard Goorney as George Wilson Charles Lloyd Pack as Judge Celia Bannerman as Milly Revell Jay Neill as Matthew Jack Galloway as Reporter Robin Ellis as Charles Dallas Michael Stainton as Brander