Jesse L. Martin returns as Professor Alec Mercer in Season 2 of “The Irrational,” where he is dealing with the kidnapping of his girlfriend, Rose, a former MI-6 agent.

Although he spent years performing on Broadway, 'The Irrational' star Jesse L. Martin was reluctant to sing on his television show. But, he finally convinced himself now was the time.

Alec (Jesse L. Martin) is back on the case! In "The Irrational" Season 1, viewers learned that Senator Kevin Sanford (James Tupper) and Bob Caswith (Garry Chalk), the FBI's head of intelligence ...

"The Irrational" star Jesse L. Martin on Season 2 of the NBC show, ... but Alec's corporate fixer girlfriend Rose Dinshaw (Karen David), who's a former MI-6 agent, ...

Veteran actor Jesse L. Martin says his latest series "The Irrational," which studies human behavior, helps viewers decipher complicated decision-making processes.

Jesse L. Martin returns as Professor Alec Mercer in Season 2 of “The Irrational,” where he is dealing with the kidnapping of his girlfriend, Rose, a former MI-6 agent.