Derek Jacobi
From Tardis Wiki, the free Doctor Who reference
Derek Jacobi (sometimes credited as Sir Derek Jacobi) is a British actor, knighted in 1994 for his services to theatre.
Out of the three roles he has acted for Doctor Who in television, audio and webcast. He has played The Master twice, and a role usually occupied by the Doctor in the Big Finish Unbound series.
Filmography
Audio Roles
Big Finish - Doctor Who Audio Dramas
Doctor Who TV Stories
Doctor Who Webcasts
