Jack McCoy (Sam Waterston), the assistant district attorney on "Law and Order," sometimes walks a fine legal line himself.

Jack McCoy (Sam Waterston) drank himself silly and reminisced about his father.

Jack McCoy has the most career wins in the series with 54, followed by Ray Elder with 47.

Jack McCoy is willing to take the death penalty off the table for Bruner if he provides specific details about all of the murders he has committed.

Sam Waterston joins the cast as Jack McCoy in this season.

Harry Zimmerman led the orchestra with John Easton and Jack McCoy announcing.

Like his predecessor, Jack McCoy, Cutter is dogged in his pursuit of justice.

When the governor points out that that was not part of the deal, Cutter simply responds, "I'm not Jack McCoy."

Jack McCoy of "Law & Order" would not know what to do with a single one of them.

Likewise, Jack McCoy himself is an untested gambit.