ActingWilliam ThomasWilliam Thomas is a Welsh actor based in Cardiff.Known forDoctor Who2005ACTIONMidsomer Murders1997CRIMEDoctor Who1963DRAMATorchwood2006SCI-FIFull filmographyDoctor Who2005ACTIONMidsomer Murders1997CRIMEDoctor Who1963DRAMATorchwood2006SCI-FIGangs of London2020ACTIONOnly Fools and Horses1981COMEDYGavin & Stacey2007COMEDYUnder Salt Marsh2026CRIMERequiem2018MYSTERYThe Pembrokeshire Murders2021CRIME