13:45DoctorsSeries 21CheckmatesBBC One Duration: 27 minutes Fri 14th Feb 2020, 13:45 on BBC One Wales HDValerie helps a patient track down her virtual lover. Show more ContributorsValerie Pitman:Sarah MoyleJoe Granger Carmichael:Oliver FalconerDr Al Haskey:Ian MidlaneDr Daniel Granger:Matthew ChambersDr Zara Carmichael:Elisabeth Dermot WalshBear Sylvester:Dex LeeWriter:Tina WalkerDirector:Peter FearonProducer:Peter Leslie WildExecutive Producer:Mike HobsonGenresDramaMedicalDramaSoapsBrandDoctorsSeriesDoctors: Series 21 Source: BBC Online