"Can you bring Trump here?" he asked the audience, as he introduced a screening of his film The Libertine.
After receiving jeers from the crowd, he added: "You misunderstand completely. When was the last time an actor assassinated a president?"
"I want to clarify," he added, "I'm not an actor. I lie for a living [but] it's been a while. Maybe it's about time."
'Just a question'