Jesse L. Martin

The Irrational's Alec Mercer uses behavioral science to bring down criminals, but the college professor is haunted by his inability to solve his most personal case. 

From his powerhouse vocal chords to his endless empathy, the NBC star is a tour de force of talent.

Before Jesse L. Martin solved crimes on The Irrational, he played one of Law & Order’s legendary detectives for nearly a decade.

Sometimes, like on The Irrational, it takes a detective with extraordinary powers and special abilities to solve crimes. 

Psychological tools that help solve cases on the NBC drama The Irrational starring Jesse L. Martin can come in handy for job interviews.

Travina Springer, who plays the younger sister of main character Alec Mercer, said the real-life actor gave "big brother vibes" on the set of The Irrational.

When we meet Alec and Marisa on The Irrational, they might be close to finalizing a divorce, but that’s not the end of their love for each other, actor Jesse L. Martin said.

The former Law & Order star also said he had "absolutely no interest" in criminal psychology, despite his new role in The Irrational.

Jesse L. Martin caught his big break after being cast in the 1990s musical Rent. Learn how he was originally introduced to Jonathan Larson.

Detective Green was a Law & Order fan favorite for over 150 intense episodes until his shocking departure.