In addition to being a founder member of the Royal National Theatre and winning several prestigious theatre awards, Jacobi has also enjoyed a successful television career, starring in the critically praised adaptation of Robert Graves's "I, Claudius" (1976), for which he won a BAFTA; in the titular role in the medieval drama series "Cadfael" (1994–1998), as Stanley Baldwin in "The Gathering Storm" (2002), as Stuart Bixby in the ITV comedy "Vicious" (2013–2016) and as Alan Buttershaw in "Last Tango in Halifax" (2012–present). Jacobi also portrayed a version of the Master in the long running science fiction series "Doctor Who". He later reprised the role for several "Doctor Who" audio dramas for Big Finish Productions. In 2019, he played Edward VIII, the Duke of Windsor, in the third season of the critically acclaimed Netflix series "The Crown".