Grant will play a "repellent" historian. British comedian and actress Diane Morgan is also among the cast members. However, much to fans' disappointment, she is not playing Philomena Cunk, a silly character on TV moments and topical events in Brooker's darkly comic "Wipe" franchise.
In a statement about the spoof special, producers say: "'Death to 2020' is a comedy event that tells the story of the dreadful year that was - and perhaps still is? This landmark documentary-style special weaves together some of the world's most (fictitious) renowned voices with real-life archival footage spanning the past 12 months."
They also describe it as "the cathartic comedy event you'll never forget about the year you really, really don't want to remember", and quip, "Even the creators of 'Black Mirror' couldn't make this s**t up."
Brooker also serves as co-executive producer on the quirky new project, alongside Annabel Jones, his creative partner on dystopian anthology series "Black Mirror". "Death to 2020" marks their first collaboration. Meanwhile, Alison Marlow is set to be the producer.
A release date for "Death to 2020", directed by Al Campbell, has yet to be revealed.