John Larroquette joining 'Boston Legal'

clipped from www.cnn.com LOS ANGELES, California (Hollywood Reporter) -- Big changes are happening at the law offices of Crane Poole & Schmidt. John Larroquette will join the cast of ABC's "Boston Legal" next season as a regular, while guest star Christian Clemenson has been upped to a regular on the David E. Kelley production. In addition, Tara Summers is joining as a regular. Meanwhile, the options on four cast members -- Julie Bowen, Mark Valley, Constance Zimmer and Rene Auberjonois -- to return as regulars have not been picked up. However, it's understood there is a possibility that any of them could appear next season in a recurring or guest-starring role.