Steven James "Steve" Zahn is an American actor, voice actor, and comedian. He is probably best known for his roles as Hank Rafferty in the 2003 comedy National Security, Al Giordino in the 2005 film, Sahara, and Frank Heffley in the Diary of a Wimpy Kid film series. He also voiced Monty in the first two Stuart Little films and Archie the Bear in Dr. Dolittle 2.
For Disney, he voiced Runt of the Litter in the 2005 Disney animated feature film, Chicken Little and reprised the role again in the video game of the same name. He also voiced Sherman, a character of the fictional band Love Händel in the television series Phineas and Ferb and Thunderclap in the 2015 Disney/Pixar animated feature film, The Good Dinosaur.