Henry Ian Cusick (born 17 April 1967) is a Scottish-Peruvian actor of television, film, and theatre and a television director.
He is known for his role as Desmond Hume in the ABC television series Lost, for which he received a Primetime Emmy Award nomination. He also starred in the ABC political thriller series Scandal, as Stephen Finch, as Marcus Kane in The CW science fiction series The 100 and as Dr. Jonas Lear in The Passage on Fox. He also portrayed as Russ in CBS reboot series MacGyver.