I’m honestly uncertain how much genuine acting was present, particularly regarding Sir Ian McKellen’s portrayal as he revisits a performance style reminiscent of "The Critic" (2023), now embodying the renowned painter "Julian Sklar." It seems his abilities have diminished over time, and compounded by a serious illness, his opportunistic children, "Sallie" (Jessica Gunning) and "Barney" (James Corden), devise a scheme…