Nicholas Simon Augustine Knowles is an English television presenter, writer and musical artist. He is best known for his presenting roles on the BBC, including game shows Who Dares Wins (2007–2019), Break the Safe (2013–2014) and 5-Star Family Reunion (2015–2016). Knowles presents the DIY series DIY SOS (1999–present) for BBC One and co-presented the daytime series Real Rescues (2007–2013).