Stephen Root has boarded Fox Searchlight's Cedar Rapids and the Robert Redford-directed historical drama, The Conspirator, according to The Hollywood Reporter.

In Cedar Rapids, Root joins Ed Helms, Anne Heche and John C. Reilly, playing the proud owner of an insurance company and Helms boss' in the ensemble comedy being directed by Miguel Arteta.

With The Conspirator, Root joins James McAvoy and Robin Wright in the drama, where he'll play a principal witness for the prosecution in the trail of a Confederate sympathizer who is tried as a conspirator in the Lincoln assassination.

No production dates were announced.