Doctor Who (2005–2022)Series 3Episode 3: GridlockBBC One Duration: 45 minutes Audio described SignedFirst broadcast: Sat 14th Apr 2007, 19:40 on BBC One CambridgeshireLatest broadcast: Sat 25th Feb 2012, 19:00 on BBC ThreeAvailable for yearsWatch nowThe Doctor takes Martha to New Earth, where he must battle a powerful old enemy and have a fateful meeting with the Face of Boe...ContributorsThe Doctor:David TennantMartha Jones:Freema AgyemanBrannigan:Ardal O'HanlonNovice Hame:Anna HopeMilo:Travis OliverCheen:Lenora CrichlowValerie:Jennifer HennessyAlice:Bridget TurnerMay:Georgine AndersonWhitey:Simon PearsallJavit:Daisy LewisBusinessman:Nicholas BoultonSally Calypso:Erika MacleodMa:Judy NormanPa:Graham PaddenPale Woman:Lucy DavenportPharmacist #1:Tom EddenPharmacist #2:Natasha WilliamsPharmacist #3:Gayle Telfer StevensThe Face of Boe:Struan RodgerWriter:Russell T DaviesProducer:Phil CollinsonDirector:Richard ClarkGenresDramaSciFi & FantasyBrandDoctor Who (2005–2022)SeriesDoctor Who (2005–2022): Series 3 Source: BBC Online