Genç Deniz Canavarı Ruby

Lana Condor Ruby Gillman (voice) Toni Collette Agatha Gillman (voice) Annie Murphy Chelsea Van Der Zee (voice) Sam Richardson Uncle Brill (voice) Liza Koshy Margo (voice) Will Forte Gordon Lighthouse (voice) Colman Domingo Arthur Gillman (voice) Jaboukie Young-White Connor (voice) Blue Chapman Sam Gillman (voice) Ramona Young Bliss (voice) Eduardo Franco Trevin (voice) Jane Fonda Grandmamah (voice) Nicole Byer Janice (voice) Echo Kellum Doug (voice) Brianna Arsement Home Buyer (voice) Juju Green Gym Teacher / Coach (voice) Preston Arsement Tourist (voice) Jordan Matter School Principal (voice) Ricardo Hurtado Student #1 / Student #10 (voice) Randy Thom Confetti Cannon (voice) Tiffany Wu Student #7 (voice) Merk Nguyen Student #6 / Student #9 (voice) Sydney Bell Student #5 / Student #8 (voice) Atticus Shaindlin Topher (voice) Lynnanne Zager Phone Voice (voice) Karen Foster School Librarian (voice) Caleb Pierce Student #3 (voice) Qalil Ismail Student #2 (voice) Suzanne Buirgy Carol (voice) Emma Chamberlain Reporter (voice)