Matthew Waterhouse (born 19 December 1961) is an English actor and writer, best known for his role as Adric in the BBC science fiction television series Doctor Who from 1980 to 1982.

He played the schoolboy Briarley in the BBC2 adaptation of To Serve Them All My Days with John Duttine, and it was only shortly before he filmed his appearance on the miniseries that he found out he had secured the role of Adric.

[4] Waterhouse took part in audio commentaries for the DVD releases of Earthshock (2003), The Visitation (2004), The Keeper of Traken (2007), Four to Doomsday (2008), Black Orchid (2008), Full Circle (2009), State of Decay (2009) and Kinda (2011).

Waterhouse read the audiobook of the Target Books The Visitation for the BBC as well as Full Circle, Four to Doomsday and some Doctor Who Annual short stories.

[8] In 1996 he made the science fiction pilot drama Ghostlands for MJTV Productions, and played the character Tom, alongside actors Jacqueline Pearce and Sylvester McCoy.

He also appeared in theatre productions of I Am David, The Lion, the Witch and the Wardrobe, Brighton Beach Memoirs (West Yorkshire Playhouse), Peter Pan (directed by actor Clive Swift) and Torch Song Trilogy.

Waterhouse also wrote and appeared in his own one-man show Adventures of Huckleberry Finn (Chipping Norton and UK Tour) which was directed by actor Murray Melvin (Bilis Manger in the Doctor Who spin-off drama Torchwood in 2007).

[9] In February 2011, it was announced that he would be starring in the Dark Shadows audio drama Bloodlust as Andrew Cunningham, husband of original regular TV show character Amy Jennings.