Mark Griffin is the author of A Hundred or More Hidden Things: The Life and Films of Vincente Minnelli (Da Capo Press), a biography of the Oscar-winning director of Meet Me in St. Louis, An American in Paris and Gigi. Griffin is also the author of All That Heaven Allows: A Biography of Rock Hudson (HarperCollins). The book examines the life and career of the Hollywood legend who starred in such classics as Giant and Pillow Talk. Warner Brothers has acquired the rights to All That Heaven Allows, with plans to turn it into a biopic to be produced and directed by Greg Berlanti (Love, Simon, Riverdale). The screenplay is by Richard LaGravense (The Fisher King, Beautiful Creatures). Griffin will serve as an associate producer and consultant for the forthcoming HBO Max documentary, Rock Hudson: Accidental Activist, to be directed by Stephen Kijak (We Are X, Stones in Exile). Griffin has appeared in the television documentaries Mythical Couples: Judy Garland & Vincente Minnelli and Gene Kelly: To Live and Dance. He recently completed a feature length screenplay.