Hugh Hefner wants Robert Downey, Jr for his biopic

Playboy boss Hugh Hefner is convinced that Robert Downey, Jr, is the only actor who can play him on the big screen.

The soft-porn tycoon told the Hollywood star just that when they met on the red carpet at the Iron Man 2 premiere in Los Angeles, reports The Daily Express.

Hefner said, "I told him, 'I couldn't do better'."

Meanwhile, Hefner said he is still waiting for the right screenplay.