This is a list of winners of the Prime-time Emmy Award for Outstanding Supporting Actor in a Miniseries or a Movie. Before 1975, supporting actors featured in a miniseries or a movie were included in categories such as comedy or drama. From 1975 to 1978, the award was called Outstanding Single Performance by a Supporting Actor in a Comedy or Drama Special. Despite the category's name, actors appearing in many episodes of a miniseries were included. In 1979, the award was named Outstanding Supporting Actor in a Limited Series or a Special. The award was renamed again in 1986 Outstanding Supporting Actor in a Miniseries or a Special. By 1998, the award was renamed Outstanding Supporting Actor in a Miniseries or a Movie.