Who played Roger Murtaugh in 'Lethal Weapon'?

In which film is Oskar Schindler a character? Who played Amon Göth in 'Schindler's List'? Who played Martin Riggs in 'Lethal Weapon'? In which film is Martin Riggs a character? Who played Dutch in 'Predator'? In which film is Dutch a character? Who played Harry Tasker in 'True Lies'? In which film is Harry Tasker a character?