The NBC series premiered its 18th season Jan. 2. The show airs Wednesday nights at 10 PM ET; check local listings.

Hopkins (Bare, Bat Boy), Chase (High Fidelity, Aida) along with Roxanna Hope (Frost/Nixon), David Drake (The Night Larry Kramer Kissed Me), Guenia Lemos and Ron Canada will appear as guest stars on the Jan. 16 episode titled "Bottomless." Jeffry Denman (The Producers), Donna Lynne Champlin (Sweeney Todd) and John Cunningham (Amour) also reported appear.

Pankow (Cymbeline, Twelve Angry Men) guests with Daniel Sauli (The Accomplices) and Christina Rouner (Coram Boy) in the Jan. 23 show titled "Illegal." Among future stars include Alan Campbell (Adrift in Macao) and Ally Walker (Five Women Wearing the Same Dress).

The Dick Wolf drama already employs stage alum Jesse L. Martin (Rent), S. Epatha Merkerson (Come Back, Little Sheba) and Sam Waterston (Abe Lincoln in Illinois) as regulars. They are joined this season by Jeremy Sisto (Festen) and Linus Roache (Richard II - London).

Recent guest stars have included such stage actors as Susan Blackwell ([title of show], Speech & Debate), Elizabeth Marvel (Hedda Gabler, upcoming Top Girls), Marin Ireland (The Ruby Sunrise, Manuscript) and Michael McKean (The Pajama Game, The Homecoming). For more information and a sneak peek at the premiere episode, visit nbc.com.