John James Anderson is an American actor and producer best known to television audiences for playing the character of Jeff Colby in both the prime-time soap opera Dynasty and its spin-off series The Colbys throughout the 1980s. James is a veteran of daytime soaps, first appearing in Search for Tomorrow in the late 1970s.

In 1981, he won the role of Jeff Colby in Dynasty, appearing in the very first episode, "Oil", and remaining on the soap opera until the final episode, Catch 22 in 1989. James played the same role in The Colbys between 1985 and 1987, and one last time in the 1991 TV movie, Dynasty: The Reunion. James was nominated for a Golden Globe Award for his role in Dynasty in 1985 and appeared at the 1986 ceremony.