Guest Stars Bill McGuirk as Policeman Pat Gorman as Auton Leader Roy Stewart as Strong Man Stephen Jack as Farrel Senior David Garth as Time Lord Norman Stanley as Telephone Mechanic John Baskcomb as Rossini Christopher Burgess as Professor Philips Barbara Leake as Mrs. Farrel Andrew Staines as Goodge Frank Mills as Radio Telescope Director Dermot Tuohy as Brownrose Michael Wisher as Rex Farrel Dave Carter as Museum Attendant Terry Walsh as Auton Policeman Hayden Jones as Auton Voice Harry Towb as McDermott
