London: Actor Ashton Kutcher and Liam Neeson will guest star on the next season of `Family Guy`.
Conan O`Brien, Adam Levine, Bryan Cranston, Jeff Daniels, Jon Cryer, Peter Dinklage and Dennis Farina have also been lined up for cameos in season 12, reported Digital Spy.
Kutcher`s girlfriend Mila Kunis currently voices Family Guy character Meg Griffin.
Meanwhile, showrunner Steve Callaghan revealed at Comic-Con 2013 that one of the six main characters will be killed off in the new season.
"One special episode we have for the fall, we`re going to kill off one of the Griffin family and replace them with a different character," he said.
A `Simpsons` and `Family Guy` crossover is planned for 2014.