Alastair John Mackenzie (born 8 February 1970)[1] is a Scottish actor and writer.
Alastair Mackenzie was born in Trinafour, near Perth, and educated at Westbourne House School and Glenalmond College in Perthshire.
Mackenzie played the young laird Archie MacDonald in the BBC drama Monarch of the Glen.
[3] He lives in Islington with his partner, Scottish actress Susan Vidler, with whom he has two children: a daughter, Martha, born in December 1999 and a son, Freddie, born in September 2004.
[3][4][5] His brother is director David Mackenzie, with whom he co-founded Sigma Films.