Travis Knight Director, Producer Peyton Elizabeth Lee Prue McKeel Voice Jacob Tremblay Curtis Mehlberg Voice Carey Mulligan Alexandra Voice Mahershala Ali Brenden Voice Angela Bassett The General Voice Awkwafina Septima Voice Jake Johnson Mr. McKeel Voice Charlie Day Dmitri Voice Amandla Stenberg Niamh Voice Jemaine Clement Roger Swindon Voice Maya Erskine Mrs. McKeel Voice Tantoo Cardinal Iphigenia Voice Tom Waits Maxim Voice Richard E. Grant Owl Rex Voice Len Cariou Richard the Postmaster Voice Marc Evan Jackson Lars Svik Voice Blythe Danner Voice Rob Delaney Voice Ólafur Darri Ólafsson Voice Chris Butler Screenwriter Arianne Sutner Producer Caleb Deschanel Cinematographer