Kath Soucie. Actress: Rugrats. Katherine Ellen Soucie is an American voice actress, born in Cleveland. One of the most well known voice-over actors working today, Kath Soucie began her career in New York as a theatrical actress. While Kath has been the voice of many campaigns and award-winning commercials, it is her work voicing thousands of episodes of animation that has won her an international fan base. Soucie created the roles...