The cast of Wes Craven's upcoming horror sequel has dwindled by one as an actress is forced to leave the film. Lake Bell revealed on her Twitter account last night that she was no longer a part of Scream 4. Here's what she tweeted last night.

Sucks: Scheduling conflicts with my current gig means I cant do #Scream4! (Hey horror bloggers, I know who the killer is...) #i'llnevertell
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The film is scheduled to start shooting on Monday in Ann Arbor, MI, so we'll likely be hearing news about Bell's replacement in the next few days. Stay tuned as we'll be sure to keep you updated on any Scream 4 casting news as soon as we have more information.