It is film star Gyllenhaals first streaming project, and he spent 6 1/2 months in the role.

Hes also one of the shows executive producers, along with Kelley and J.J. Abrams.

Its a testament to Scotts writing, Kelley added.

(L-R) Kingston Rumi Southwick, Nana Mensah, Renate Reinsve, O-T Fagbenle, Peter Sarsgaard, Jake Gyllenhaal, James Hiroyuki Liao and Tate Birchmore

(L-R) Kingston Rumi Southwick, Nana Mensah, Renate Reinsve, O-T Fagbenle, Peter Sarsgaard, Jake Gyllenhaal, James Hiroyuki Liao and Tate BirchmoreKristina Bumphrey / Getty Images

He knows the law, and he knows characters.

Turows book is equal parts whodunit, courtroom drama, and unsparing moral character study.

He also co-wrote the 1990 screenplay with director Alan J. Pakula.

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Kelley is no stranger to dramatizing legal conflict, having createdThe Practice,Boston Legal, andAlly McBeal.

I really cant tell you why, he said.

It may actually have been the Perry Mason series on HBO.

So, again, I dont know whether its something in the water, or what it was.

Whatever the reason, Turow said, They did an amazing job.