Christopher Daniel Barnes (born November 7, 1972), also known professionally as C.D. Barnes, C.B. Barnes and Chris Barnes, is an American actor and voice actor. He is best known for his voice role as the title superhero of the 1994 animated series Spider-Man and as Prince Eric from The Little Mermaid, as well as his on-screen portrayal of Greg Brady in the films The Brady Bunch Movie and A Very Brady Sequel. He starred in 22 episodes of the science fiction series Starman (1986–1987) as the 14-year-old son of the title character played by Robert Hays.