Born in Resolven, South Wales and brought up on a farm, Mostyn Evans comes from a musical family. He won four scholarships to the Guildhall School of Music and studied music and drama in general for four years, winning all of the major tenor prizes. His experience in show business covers a very wide field from opera, in which he has sung many major roles, to straight plays.
He has appeared in musicals such as My Fair Lady at the Theatre Royal, Drury Lane, Guys And Dolls in which he played Nicely Nicely Johnson, Treasure Island, Barmitzvah Boy, the big shows in Blackpool and three shows at the London Palladium. He has appeared in two Royal Command performances and has recently completed a successful run as Mr Bumble in Oliver! at the Albery Theatre, London. His numerous television appearances include Dr Who, Man About The House, Mother Makes Five and in a more serious vein The Rowse Murder Trials, Suez and the Crown Court series in Welsh for HTV.