Marlyne Nayokah Barrett (née Afflack: born September 13, 1978) is an American actress.
In 2015, she began starring as Head Charge Nurse Maggie Lockwood in the NBC medical drama Chicago Med.
She began her career appearing on stage and television, before she co-starred with Hill Harper in the 2003 romantic comedy Love, Sex and Eating the Bones.
In 2009, Barrett co-starred as Thomasina, the efficient palace secretary and aide-de-camp, on the short-lived NBC drama Kings.
Later that year, she was cast as Nurse Maggie Lockwood in the NBC medical drama Chicago Med.