Marc Singer is a Canadian-born American actor best known for his roles in fantasy and science fiction. He rose to international fame in the early 1980s starring as Dar in the sword and sorcery film The Beastmaster. Singer also gained widespread recognition for his portrayal of resistance leader Mike Donovan in the popular science fiction television miniseries V and its subsequent series. Throughout his career, he has maintained a consistent presence in film, television, and theatre, often appearing in genre productions.