Christopher was a New York native who also appeared in the soap operas One Life to Live, Loving, and Guiding Light.He won a Daytime Emmy for his role as Carlo Hesser and his twin brother Mortimer Bern on One Life to Live.

In Buck Rogers in the 25th Century, Christopher played Hawk, a stoic, half-man, half-bird alien who appeared in 11 episodes of the second season.In one episode, Hawk destroys a space freighter, which leads to a dogfight between Hawk and Buck Rogers.Hawk becomes the last of his race after losing everyone he loved.