John Calvin Culver (November 2, 1943 – August 10, 1987), better known under his stage name Casey Donovan, was an American male pornographic film actor from the late 1960s until the mid-1980s, appearing primarily in adult films and videos catering to gay male audiences, during the Golden Age of Porn. Following a brief career as a Latin teacher and a stint as a highly paid male model, Donovan appeared in Boys in the Sand (1971), the film that would cement his status as a gay icon. Attempts to build on his notoriety to achieve mainstream crossover success failed, but Donovan continued to be a bankable star in the adult industry for the next 15 years. He was briefly a mainstream actor, who appeared on stage, as well as a theatre producer and manager and appeared as himself in TV series Emerald