Bruce Montague is a British actor, best known for his role as Leonard Dunn in the television sitcom Butterflies. He has also acted in over 300 television productions - one of his earliest being in the 1965 sci-fi drama Undermind. In 2000, he guest-starred in the Doctor Who audio adventure The Genocide Machine and, in the following year, he starred alongside Paul McGann in the Doctor Who story Sword of Orion. In 2015, he appeared as a guest role in Hollyoaks as Derek Clough.