Who played Truman Burbank in 'The Truman Show'?

Who played Phil Connors in 'Groundhog Day'? Who played Peter Venkman in 'Ghostbusters'? In which film is Peter Venkman a character? Who played Axel Foley in 'Beverly Hills Cop'? In which film is Truman Burbank a character? Who played Stanley Ipkiss in 'The Mask'? Who played Lloyd Christmas in 'Dumb and Dumber'? In which film is Lloyd Christmas a character?