Jesse L. Martin

What perplexing case will Mercer tackle next onThe Irrational?

Get ready to do a deep dive into human decision-making with NBC's The Irrational.

Welcome back, Jesse L. Martin! 

The Irrational star spills the beans on his character Alec's signature look. 

Both of the Law & Order fan favorites now star on two of NBC's staple fall procedurals.

A lot of thought went into the incredibly realistic burns we see on Jesse L. Martin's character, Alec.

The Irrational showrunner promised this is just the beginning of Alec Mercer’s story — and it's the same for other characters on the show.

Alec Mercer's ex-wife has made a major break in the case — one that leads to tragic consequences.

The Irrational's Alec Mercer may have unraveled the mystery of who was behind the church bombing that left him badly burned, but it looks like he'll have to solve a new mystery next season.

Behavorial scientist Alec Mercer uses a tool of the trade to try to defuse an explosive situation on The Irrational.

Jesse L. Martin's Peacock picks for Black History Month have a little something for everyone.

Alec Mercer's ex-wife, Marisa, is getting closer to catching the church bombing mastermind, but somebody is listening in on her every move. 

Whether it's his birth name or his passion for making music, there's a lot fans don't know about The Irrational's Jesse L. Martin.

The Virginia-born Law & Order star says he'll "always be a New Yorker,' though.

Family can be tough critics, but Jesse L. Martin said his family are some of his biggest fans.

The Irrational star says his dog is "the coolest little guy in the world."

Are Alec and Marisa moving on after divorcing? New episodes of The Irrational might shed some light on new love interests.

The Law& Order alum plays a behavioral scientist who helps solve unusual cases in NBC's newest crime series.

The mystery around the deadly church bombing is heating up on The Irrational, as new romantic pursuits begin to blossom.

Alec Mercer is in court as an expert witness after a police raid kills a friend of his sister Kylie on the latest episode of The Irrational.