Dominic Rains stars as Dr. Crockett Marcel, Chicago Med’s new ED surgeon. Raised in New Orleans, Crockett is a hard-partying doctor from Louisiana who’s great at performing surgeries but isn’t always one to follow the hospital’s rules.

Rains is an Iranian-American actor best known for his breakout roles in the Sundance favorite “The Taqwacores” as well as the critically acclaimed “A Girl Walks Home Alone at Night.” He received considerable praise for his leading role in the Tribeca Film Festival standout “Burn Country,” for which he won best actor accolades, and starred opposite Jame...