Robert Downey Jr.'s legal woes may be the least of Ally McBeal creator David E. Kelley's problems: Rumor has it that the Fox dramedy will lose castmembers Lucy Liu, Taye Diggs and Greg Germann next season. A show rep tells TV Guide Online: "Taye Diggs is only contracted for this season. All other series regulars are involved this season as the stories play out. Producers have yet to have definitive discussions about next season."