Shohreh Aghdashloo
voices Grayson
Miles Brown
voices Young Ekko
Mia Sinclair Jenness
voices Powder
Josh Keaton
voices Deckard
Yuri Lowenthal
voices Mylo
Jason Spisak
voices Silco
Hailee Steinfeld
voices Vi
Fred Tatasciore
voices Benzo
Harry Lloyd
voices Viktor
Dave B. Mitchell
voices Enforcer
Toks Olagundoye
voices Mel Medarda
Dave B. Mitchell
voices Harold