Ottoman Empire | Order of the British Empire | Russian Empire | Roman Empire | British Empire | Holy Roman Empire | Dean Martin | German Empire | Byzantine Empire | Mughal Empire | Martin Luther | Martin Scorsese | Austrian Empire | Ricky Martin | First French Empire | Martin Luther King, Jr. | Lockheed Martin | Martin | Steve Martin | Empire of Japan | Martin Sheen | Empire State Building | St. Martin's Press | Vijayanagara Empire | Spanish Empire | Martin Heidegger | Boardwalk Empire | Martin Luther King | Max Martin | Empire |
The voice actors listed below reprised their characters from the series, with the exceptions of Yubel's English voice actress Cassandra Morris, who was unavailable to voice her character, and Solomon "Grandpa" Muto's English voice actress Maddie Blaustein, who died a few years prior the film's voice recording.