Guest Stars Billie Piper as Rose Tyler Colin Morgan as Jethro Cane Lesley Sharp as Sky Silvestry Duane Henry as Mechanic Claude Daniel Ryan as Biff Cane Lindsey Coulson as Val Cane Rakie Ayola as Hostess David Troughton as Professor Winfold Hobbes Tony Bluto as Driver Joe Ayesha Antoine as Dee Dee Blasco