Henry Czerny (/ˈtʃɛərni/ CHAIR-nee; born February 8, 1959) is a Canadian stage, film, and television actor. He is known for his roles in the films The Boys of St. Vincent, Clear and Present Danger, The Ice Storm, The Exorcism of Emily Rose, Fido, Remember, Ready or Not, and Scream VI, in particular for his role as Eugene Kittridge in Mission: Impossible, Mission: Impossible – Dead Reckoning Part One, and Mission: Impossible – The Final Reckoning, as well as for numerous television programs in both guest and starring roles, including a regular role as Conrad Grayson on the ABC primetime soap opera Revenge, a loose adaptation of The Count of Monte Cristo.

Czerny has received the Theatre World Award and two Gemini Awards and was nominated for the Canadian Screen Award for Best Supporting Actor for his performance in The Other Half.