David Strathairn has signed on to star in a pair of films, the fantasy The Spiderwick Chronicles for Nickelodeon Movies and Paramount Pictures and The Bourne Ultimatum for Universal Pictures.

Mark Waters is directing The Spiderwick Chronicles; Variety says the story centers on three children who move to their great uncle's ancient mansion only to discover a magical book which opens up a new world.

RELATED: Bourne Identity Director Still Can't Process That Today's James Bond Era Copied His Style

Paul Greengrass is returning as helmer on the third film in the Bourne franchise starring Matt Damon; on the run again, Strathairn will play the leader of a secret operation which is hunting Damon's character.