Thomas Mann and Jenny Slate have hopped aboard upcoming flick 'Brain On Fire.'
The Gerard Barrett directed film, which stars Dakota Fanning in the lead, is based on Susannah Cahalan's bestselling memoir 'Brain On Fire: My Month Of Madness', Deadline.com has reported.
Charlize Theron, Beth Kono and AJ Dix are producing the film for Denver and Delilah Films, and Rob Merilees for Foundation Features.
The film will begin shooting July in Vancouver and New York.
