Άρνολντ!(1 episode) as Mr. Simmons / Houseboy (voice)(1 episode) as Mr. Simmons / Publisher (voice)(1 episode) as Mr. Simmons / Dispatcher (voice)(2 episodes) as Mr. Simmons (voice; uncredited)(1 episode) as Mr. Simmons / Lila's Father (voice)(1 episode) as Mr. Simmons / Scientist (voice)(17 episodes) as Mr. Simmons (voice)