Yahya Abdul-Mateen II Kiki / Ursula (voice) Dolph Lundgren Jiji (voice) Indya Moore Tombo (voice) Jani Zhao Osono (voice) Vincent Regan Kokiri (voice) Martin Short Okino (voice) Maximiliano Hernández Old Lady (voice) Sohm Kapila Barsa (voice) Ricardo Molina Ketto (voice) Chad Lindberg Bakery Worker / Policeman (voice) Ingrid Bisu Maki (voice) Grant Huggair Young Sempai Witch (voice) Jay McDonald Ketto's Mother (voice) Jack Waldouck Ketto's Father (voice) Mark Kwak Baby (voice) Dylan Silver Ketto's Grandmother (voice) Luke Macfarlane Boy (voice) Taika Waititi Captain of the Airship (voice)