We’ve got some new casting updates for you today, including a found-footage film tracking Bigfoot and a new project from Ben Stiller. Here they are at a glance:

• The Blair Witch Project director Eduardo Sanchez has added Dora Madison Burge, Samuel Davis, Roger Edwards, Chris Osborn and Denise Williamson to his Bigfoot found-footage film, Exists.
• Kathryn Hahn (Wanderlust) has joined Stiller’s The Secret Life of Walter Mitty.

Hit the jump for more on both projects. [Update: We've been sent the full press release for Exists, which is now included after the jump.]