Dave Sheridan. Actor: Scary Movie. In addition to his film roles, Dave Sheridan is credited with introducing the reality series to the MTV audience with Buzzkill (1996), a show that featured three slacker buddies staging elaborate pranks and catching it all on video. Sheridan began his career interning at Saturday Night Live (1975). From there, he entered Chicago's famed comedy Mecca, The Second City, where he wrote, directed and produced Dave...