Dominic Rains (born Amin Nazemzadeh) is an Iranian-born American actor, known for his starring role as Dr. Crockett Marcel in NBC's Chicago Med.

He appeared as Kasius, the main antagonist of the first part of the fifth season of Marvel's Agents of SHIELD. He had a recurring role as Kahmir DeJean in the short-lived series FlashForward; as well as a starring role as Dr. Leo Julian in General Hospital and General Hospital: Night Shift.