Will Ferrell wanted for cameo in The Simpsons The Simpsons' showrunner-and-writer Matt Selman is determined to get Will Ferrell on The Simpsons. 14 February 2026 Will Ferrell is desperately wanted for a guest star role on The Simpsons. Actor Will Ferrell Showrunner-and-writer Matt Selman is not giving up on his dream of adding the 58-year-old actor to the long list of celebrities who have made cameo appearances on the world's longest-running primetime animated TV series. Addressing Will, via People, Matt, 54, begged: "Come on, Will. We keep writing great stuff for you.