James T. Walker Director Frank Welker Jerry Voice Charlie Schlatter Chip Voice Jim Cummings Butch Voice Maile Flanagan Boy Voice Jess Harnell Policeman Voice Maurice LaMarche Spike, Alley Cat Voice Tress MacNeille Margaret, Mom Voice Tara Strong Nibbles Voice Billy West Freddie Voice Julie McNally Cahill Screenwriter Timothy Cahill Screenwriter Joseph Barbera Executive Producer William Hanna Executive Producer Tom Minton Producer