The guest voices for the upcoming 21st season of 'The Simpsons' have been announced.
Among those whose voices will appear in the new series are: Coldplay singer Chris Martin, actors Anne Hathaway, Seth Rogen, Neve Campbell, Angela Bassett and Jonah Hill, comic Jackie Mason and the late singer Earth Kitt.
Some have voiced new characters while others voiced their animated incarnations.
The new series of 'The Simpsons' begins on American television on 27 September.
