Mark Kenneth Smaltz is an actor who played seven different characters in all three primary shows of the Law & Order franchise. He is probably best known for his recurring role as Judge William Koehler in Law & Order.
- Law & Order (as Judge William Koehler):
|L&O: "Apocrypha"||L&O: "Family Values"||L&O: "Matrimony"|
|Judge Roland Thibodeaux||Steven Felder||Customs Officer Daley|
|CI: "False-Hearted Judges"||SVU: "Confrontation"||SVU: "Flight"|
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