Jimmy Fallon has been cast in Drew Barrymore's directorial debut Whip It! reports Slashfilm.

Fallon has been spotted on set of the roller derby dramedy playing "Hot Tub Johnny", a cheesy hungover announcer who makes nasty comments to all the skaters.

Ellen Page plays an indie-rock loving misfit who finds a way of dealing with her small-town misery after she discovers a roller derby league in nearby Austin Texas.

Andrew Wilson, brother of of Owen and Luke, has also been spotted playing a roller derby coach.