dozens and dozens, which would be a pretty long and boring list, from Alec Guinness in Tinker, Tailor, Soldier, Spy to Olivia Colman in anything she's ever done (even her early Mitchell & Webb "numberwang" sketches), Stephen Rea in The Honourable Woman, the entire cast of TNG and DS9, James Gandolfini in The Sopranos, Steve Coogan as Partridge, Jared Harris in The Crown, Hugh Laurie in House, David Suchet in Poirot...