William Tulloch Paterson (born 3 June 1945) is a Scottish actor. Throughout his career he has appeared regularly in radio drama and provided the narration for a large number of documentaries. Paterson has appeared in films and television series including Comfort and Joy (1984), Traffik (1989), Auf Wiedersehen, Pet (1986), Truly, Madly, Deeply (1990), The Witches (1990), Wives and Daughters (1999), Sea of Souls (2004–2007), Amazing Grace (2006), Miss Potter (2006), Little Dorrit (2008), Doctor Who (2010), Outlander (2014), Fleabag (2016–2019), Inside No. 9 (2018), Good Omens (2019), Brassic (2020) and House of the Dragon (2022). He is a recipient of the Lifetime Achievement Award of the Scottish BAFTAs.