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Template:Infobox character Dr. Noah Sexton is a former medical student and current resident in Emergency Medicine at Gaffney Chicago Medical Center. He is the younger brother of April Sexton. He is portrayed by Roland Buck III.


Noah is the youngest child and only son of Brazilian immigrants. He and his sister were raised Catholic. His parents always insisted he should be a doctor, and so he struggled through medical school with the help of his talented sister, who sacrificed her own career for him.

Season One


Noah freezes while assisting Dr. Choi with a patient with a gunshot wound. He thinks Dr. Choi doesn't like him after that, so he takes credit for Sarah Reese's work to impress him. She won't tell on him if he makes it right. At the end of the episode April cancels her dinner plans with firefighter Kelly Severide in order to help Noah study for his exams.

Season Five

We're Lost in the Dark

Noah meets Crockett Marcel, who is giving himself IV fluids as a "pick-me-up" in an ED treatment room. He and Crockett treat a patient who was extracted from a crashed ambulance. They diagnose him with arterial stenosis, but disagree on the course of treatment. Crockett convinces the patient to have bypass surgery. When the power goes out during the surgery, Noah is called into the OR to assist. Crockett proposes to perform the surgery "off-pump" as the patient is not able to be put on bypass again, despite Noah's objections that it is too risky. Just as they successfully complete the procedure, the power returns. When Noah wants to apologize for some missteps during the procedure, Crockett instead compliments him on his skills, peaking Noah's interest in becoming a surgeon.

Got a Friend in Me

Inspired by Crockett's encouragement, Noah has started his residency in general surgery. Ethan gets annoyed with him and Crockett when they try to poach one of his patients. When the patient pulls through, he is surprised that Ethan isn't more happy.


  • He speaks Brazilian Portuguese fluently and he can also speak Spanish, possibly fluently.


Season 1 Appearances
"Derailed" "iNo" "Fallback" "Mistaken" "Malignant"

"Bound" "Saints" "Reunion" "Choices" "Clarity"

"Guilty" "Us" "Hearts" "Inheritance"

"Disorder" "Withdrawal" "Timing"
Season 2 Appearances
"Soul Care"

"Win Loss" "Natural History" "Brother's Keeper" "Extreme Measures"

"Alternative Medicine" "Inherent Bias"

"Free Will"

"Uncharted Territory" "Heart Matters"
"Graveyard Shift" "Mirror Mirror" "Theseus' Ship" "Cold Front" "Lose Yourself"
"Prisoner's Dilemma"

"Monday Mourning"

"Lesson Learned" "Ctrl Alt"

"Generation Gap"

"Deliver Us"

"White Butterflies"

"Love Hurts"

Season 3 Appearances
"Speak Your Truth"

"Nothing to Fear"

"Trust Your Gut"

"Naughty or Nice"

"Mountains And Molehills"

"Ties That Bind"

"Over Troubled Water" "Lemons and Lemonade" "On Shaky Ground" "Down By Law"

"Folie à Deux"

"Born This Way" "Best Laid Plans"

"Lock It Down"

"Devil In Disguise"
"An Inconvenient Truth"

"The Parent Trap"

"This Is Now" "Crisis Of Confidence" "The Tipping Point"
Season 4 Appearances
"Be My Better Half"

"when To Let Go" "Heavy Is The Head" "Backed Against The Wall" "What You Don't Know"
"Lesser of Two Evils" "The Poison Inside Us" "Play By My Rules" "Death Do Us Part" "All The Lonely People"
"Who Can You Trust" "The Things We Do" "Ghosts in the Attic" "Can't Unring That Bell" "We Hold These Truths"
"Old Flames, New Sparks" "The Space Between Us" "Tell Me the Truth" "Never Let You Go" "More Harm Than Good"
"Forever Hold Your Peace " "With A Brave Heart"
Season 5 Appearances
"Never Going Back to Normal" "We're Lost in the Dark"

"In the Valley of the Shadows" "Infection: Part II" "Got a Friend in Me"

"It's All in the Family"

"Who Knows What Tomorrow Brings" "Too Close to the Sun"

"I Can’t Imagine the Future" "Guess it Doesn't Matter Anymore"

"The Ground Shifts Beneath Us"

"Leave the Choice to Solomon" "Pain is For the Living"

"It May Not Be Forever" "I Will Do No Harm"

"Who Should Be the Judge" "The Ghosts of the Past" "In the Name of Love" "Just a River in Egypt" "A Needle in the Heart"
Season 6 Appearances
"When Did We Begin to Change" "Those Things Hidden in Plain Sight" "Do You Know the Way Home?" "In Search of Forgiveness, Not Permission" "When Your Heart Rules Your Head"

"Don't Want to Face This Now" "Better Is the Enemy of Good" "Fathers and Mothers, Daughters and Sons" "For the Want of A Nail" "So Many Things We've Kept Buried"