Billy Boyle is an Irish actor and singer on British film, television and stage. His recording career included five 45rpm singles for the Decca and Columbia labels, including the novelty song "My Baby's Crazy 'Bout Elvis" (Decca F 11503) in 1962. He is a veteran of the West End stage, having played leading roles in over 15 hit shows. In his first West End musical, Maggie May, he was nominated as best newcomer. Gower Champion then chose him to play Barnaby in Hello Dolly at The Theatre Royal Drury Lane. He appeared in Canterbury Tales at the Phoenix Theatre as The Clerk of Oxford. Harold Hobson, The Times critic said, "He was a breath of fresh air in the West-End" He went on to play leading roles in No Sex Please, We're British, Billy, What's a Nice Country, The Rivals, Love, Lust, & Marriage, Some Like It Hot, Disney's Beauty and the Beast, and in the original cast of Dirty Dancing. Lately he has appeared as Grandpa George and Grandpa Joe in Charlie and The Chocolate Factory at Drury Lane. In 2010, he was the Mysterious Man in the Regent’s Park Open Air Theatre production of Into the Woods.

His films include Stanley Kubrick's Barry Lyndon, Groupie Girl, Side by Side, Wild Geese II, The Scarlet and the Black, Round Ireland with a Fridge and A United Kingdom.