Willis and his Moonlighting costar Cybill Shepherd clashed when they worked on show together in the late ’80s. In an interview with Moonlighting Strangers Fanzine, the show’s producer, Jay Daniel, spoke about the difficulty of working with Willis over time because of his growing fame. “In the beginning, Bruce was just a guy’s guy. Let’s just say he evolved. Over the years, he went from being the crew’s best friend and just being grateful for the work and all of that to realizing that he was going to be a movie star and wanting to move on. Part of that was because of his strained relationship with Cybill. That sometimes made the set a very unpleasant place to be,” he said. Also, in an interview on the WTF Podcast, director Kevin Smith described working with Bruce in 2009 on the set of Cop Out as “soul-crushing.” Kevin has since apologized to Bruce after Bruce announced that he’s retiring from acting following a diagnosis of aphasia, a disorder that affects communication and comprehension skills.