Steve Toussaint is a British actor with a career spanning decades. He first appeared in the TV series The Memoirs of Sherlock Holmes in 1994. He later appeared as Joe in some episodes of the show Jack of Hearts. During this period, he also starred as Barry Christie in the series The Knock. In 2000, he had his first movie role in Circus. During this period, the actor also had a recurring part in The Bill as Nick Austin. Later in 2005, he starred as Adam Lockwood in the miniseries Broken News. At the same time, he became known for his recurring character, D.I. Mike Trent, in Doctors. In the 2010s, he starred as Joseph Moody in Inspector Lewis and Ethan James in Pine Gap. Toussaint will play the role of Lord Corlys Velaryon in the upcoming Game of Thrones prequel series, House of the Dragon.