BEVERLY HILLS, Calif. — Kristen Wiig, Zach Galifianakis, Rachel Maddow and Daniel Radcliffe will be among the celebrities lending their voices to a new season of "The Simpsons" this fall on Fox.
Wiig will be heard in the animated show's season premiere on Sept. 29, voicing a high-strung FBI agent whom Lisa enlists for help when she suspects that something sinister has happened to Homer, Fox said Thursday at the Television Critics Association meeting.
Elizabeth Moss of "Mad Men" plays a grateful mom who names her baby after Homer when he helps deliver the child.
Marvel Comics writer Stan Lee, producer Judd Apatow and Will Arnett of "Arrested Development" are among other stars voicing parts on "The Simpsons."
Fox's other animated series boast a who's who of voices.
The fourth season of "Bob's Burgers" will include Molly Shannon, Will Forte and Rachel Dratch.
"Family Guy" will include guest appearances by Maroon 5 singer Adam Levine playing himself, Conan O'Brien, Ashton Kutcher and Jon Cryer of "Two and a Half Men," and Bryan Cranston of "Breaking Bad."
"American Dad" will feature the voices of Mariah Carey playing a redneck animal handler, Ellie Kemper of "The Office," Zooey Deschanel of "New Girl," Dallas Mavericks owner Mark Cuban, and Olivia Wilde of "House."