Equally as iconic is actor Sam Waterston, who portrays him.
In fact, he was only supposed to appear in one season.
Luckily, his portrayal resonated so much that Waterston soon became a fixture of the hit drama.

For instance, Waterston has four children.
Their father frequently let them be on set with him during their childhood.
Perhaps this exposure to the entertainment world is what inspired all four siblings to pursue a career in Hollywood.

James shifted to movies after graduating college.
James returned to his stage roots, performing in plays in New York and Chicago.
Her role in the original was actually one of Elisabeth’s first acting credits.

Like her father, Elisabeth continues to dive into the procedural world of trial law.
Luckily, their relationship contrasts Sam’s real-life relationship with his eldest daughter.
Katherine has since starred in franchise films like “Fantastic Beasts” and “Alien: Covenant.”

She also played a leading role in the critically acclaimed biopic, “Steve Jobs.”
Katherine remains publicly close to her father, too.
She was spotted supporting Sam at his induction ceremony for the Hollywood Walk of Fame in 2010.

“My earliest memories are of seeing him stimulated by his work and really happy,” Katherine said.
“I know that was a huge influence on me.”
Like his sister Katherine, he attended NYU’s Tisch School of the Arts for film.

“Graham’s IMDbhas no further credits listed after his short film.
He has also worked for recognizable clients like Anthony Rapp and Less the Band.