Adam Baldwin

JUSTICE LEAGUE UNLIMITED UPDATE

Smallville star Michael Rosenbaum is reprising his role of Ghoul for the season finale of Cartoon Network’s Justice League Unlimited.

"It’s basically his impression of Christopher Walken," Justice League voice director Andrea Romano told The Continuum.

Rosenbaum is a cast regular as the voice of The Flash and also provided the voice of Deadshot in a first-season episode.

Also providing voices in the second part of "The Once and Future Thing" are Adam Baldwin as Bonk, Melissa Joan Hart as Dee Dee and Don Harvey as Chucko.

In other Justice League news:

* Ally McBeal’s Peter MacNicol is providing a villainous guest-voice.

* John C. McGinley returns to voice the Atom in "Dark Heart," written by Warren Ellis.

* During the end credits for "Return," scenes from future episodes were shown, including such characters as The Ultimen, Bizarro and Aquaman.