Christopher Ralph is a Canadian actor known for his work in television, film, and voice acting. He was born Christopher Douglas Ralph on May 13, 1977. In addition to his on-screen performances, Ralph has contributed to English-language dubs of anime, most notably providing the voice for a character in the popular basketball series Slam Dunk.

Ralph began his professional acting career in the late 1990s. His early work included a significant role in the television series Animorphs, where he played the character Tobias from 1998 to 1999. The experience of working on this show was described as a learning period that helped him adapt his stage acting skills for a television production environment. Following this, he appeared in a variety of television series, including In a Heartbeat, Our Hero, and later had recurring roles on shows like Missing and Instant Star.

Within the field of voice acting, one of Christopher Ralph's primary credits is his role in the English dub of the anime series Slam Dunk. He voiced the character Kiminobu Kogure, who is the vice-captain of the Shohoku High School basketball team. Kogure is depicted as a supportive and level-headed player who has been a long-standing teammate of the team's captain, Takenori Akagi. Ralph's performance as Kogure is documented in the show's credits from 2005. This role stands as a notable example of his work in bringing an anime character to an English-speaking audience. Beyond Slam Dunk, he also performed voice work for the Canadian animated series Monster by Mistake.