Harkness noted how his uncle played a huge role in shaping his work ethic, saying, 'He taught me so much.' His uncle's influence helped Harkness focus on acting.
"I was set to be done, and Brian decided that I had to be in the courtroom scene. So he told Paramount, 'Look, I guess we'll have to hold Patti for a month because we're not shooting the courtroom for another month.'"
Joe Locke expressed a strong desire to transition from his Heartstopper role, aiming to play a 'really macho straight man' in an action film.