© Rex Features / Julian Makey
The Hot Fuzz actor is the latest British star to join the cast of dwarves alongside the likes of Ian McShane, Ray Winstone, Bob Hoskins and Stephen Graham.
Frost tweeted: "I can however confirm I'll be dwarfing it up in Snow White and the Huntsman! Nasty hobbits. wrongfilm (sic)."
The Rupert Sanders-directed film is a retelling of the classic Snow White tale, with Kristen Stewart in the lead role. Thor star Chris Hemsworth will play the Huntsman, with Charlize Theron as the evil queen.
Filming begins in August, with a release date of June 2012. Producer Joe Roth recently hinted that it may become part of a trilogy.
> Simon Pegg, Nick Frost and the Harry Potter sex spell
Watch Digital Spy's recent interview with Simon Pegg and Nick Frost below:
