The Irrational

Behavioral science professor Alec Mercer investigates whether a deadly plane crash was due to a suicidal pilot on the latest episode of The Irrational.

Jesse L. Martin knew he wanted to become an actor from a very young age.

The characters aren’t the only ones dressed up for The Irrational: A Canadian city plays the part of Virginia for the show, according to production designer Eric Fraser.

"She loves to stand out and do things a little bit differently than other people might, which I think drives Alec crazy," Travina Springer said of her dynamic with her on-screen brother, Jesse L. Martin, on The Irrational.

We keep track of the definitions of every scientific term Alec Mercer uses in NBC's new procedural, The Irrational.

Behavioral scientist Alec Mercer, played by Jesse L. Martin, raced against time to find out who poisoned a reporter — and why. 

Real-life former Russian intelligence officer and whistleblower Alexander Litvinenko is often cited as the man who solved his own murder after being poisoned with polonium-210.

The cinematographer and director of photography, Todd A. Dos Reis, also said the cast of The Irrational "is like a family."

In The Irrational, Jesse L. Martin plays Alec Mercer — someone who can help solve cases, but is haunted by a tragic one from his past.

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.