Greg 'Tarzan' Davis quit his job as an elementary school teacher in Louisiana to pursue his dream of acting. Five years on, he's about to hit the big screen alongside the biggest movie star in the world, Tom Cruise, in Top Gun: Maverick - and next year's Mission:Impossible 7.Exclusive: Top Gun: Maverick star shares details of meeting 'engaging' Prince William and Kate MiddletonIt was a risk that paid off, and Tarzan says that he and Tom are now "brothers for life" after first meeting when he was cast in the sequel to the hit 1986 film Top Gun.