Adam MacDonald (born May 16, 1977) is a Canadian actor and film director.He is perhaps best known for his role as Josh MacIntosh on the CBC show Being Erica, for his starring role as Peter McGregor on Wild Roses, and for his guest-starring roles in several other shows, including Murdoch Mysteries, Rookie Blue, and Republic of Doyle.He also starred as Nick McAllister on the short-lived supernatural show Vampire High.