For Les Dennis, the actor bringing Old Joe to life on stage, the message resonates far beyond the confines of the hit musical. Dennis plays Old Joe, the diner’s owner, who becomes an unlikely mentor and father figure to Jenna. Belfast audiences are familiar territory for Dennis, who has performed at the Grand Opera House on several occasions over the years, including productions of 42nd Street, Legally Blonde and The Addams Family. “I love performing at the Grand Opera House,” he says. *Waitress is at the Grand Opera House from July 28 - August 1, 2026.