Dagmara Dominczyk

Zelma (voice)

Michele Pawk

Biology (voice)

Matthew Modine

Bo (voice)

Cameron Monaghan

Sergei (voice)

Stephen Lang

Jonas (voice)

Erica D. Schroeder

Elita (voice)

Emma Kenney

Sarma (voice)

Anna O'Donoghue

Teacher #1 (voice)

Tanya Franks

Teacher #2 (voice)

Clyde Baldo

Eduards (voice)

Najla Said

New Girl (voice)

Keith Randolph Smith

Man on Train (voice)

Dan Domingues

Lauris (voice)

Florencia Lozano

Zelma's Mother (voice)

Ruby Modine

Nina (voice)

Signe Baumane