King Knight

Matthew Gray Gubler

Thorn

Angela Sarafyan

Willow

Ronnie Gene Blevins

Grant

Shane Brady

Nicholas

Emily C. Chang

Echo

Kate Comer

Rowena

Felisha Cooper

Kate

Barbara Crampton

Ruth

Ray Wise

Merlin

Josh Fadem

Neptune

Nelson Franklin

Angus

AnnaLynne McCord

Karen (voice)

Alice Glass

Rock (voice)

Aubrey Plaza

Pine Cone (voice)

Pason

Evelyn

Swati Kapila

Alexandra

M@tch

Cole Trickle

Andy Milonakis

Percival

Callie E. Moos

Eudora

Parker Pannell

Catholic School Boy