Hollywood titans Jack Nicholson and Dustin Hoffman are to be presenters at Sunday's Oscar ceremony in Los Angeles. Telecast producers Craig Zadan and Neil Meron announced the actors' scheduled attendance Friday. "Between the two of them, Jack Nicholson and Dustin Hoffman have created more iconic characters than any other pair of actors in the world," said Zadan and Meron in a joint statement. "Their participation in this year's Oscars completes a list of presenters and performers that truly represents that great breadth and depth of acting talent in film today." Seth MacFarlane is to serve as host of the event, which will air live on ABC.