Anthony Charles Edwards is an American actor, director, and producer. He played Dr. Mark Greene on the first eight seasons of ER, for which he received a Golden Globe Award and six Screen Actors Guild Awards, and was nominated for four consecutive Primetime Emmy Awards. He has appeared in various films and television series, including Fast Times at Ridgemont High, Top Gun, Zodiac, Gotcha!, Miracle Mile, Revenge of the Nerds, Planes, Northern Exposure, and Designated Survivor.

Mark Greene, M.D. is a fictional character from the American medical drama series ER. Portrayed by actor Anthony Edwards, he first appeared in the series' pilot episode, as well as subsequently appearing as one of the principal characters until the end of the eighth season. Edwards later returned to make a guest appearance in the fifteenth season episode "Heal Thyself".