Suggestions by @kapturamerica

Raegan Revord

as Penny Polendina in RWBY

Sadie Sink

as Penny Polendina in RWBY

Camren Bicondova

as Neopolitan in RWBY

Jack Dylan Grazer

as Oscar Pine in Live action rwby

Hugh Laurie

as Arthur Watts in Live action rwby

Marie Avgeropoulos

as Cinder Fall in Live action rwby

Jeni Ross

as Pyrrha Nikos in Live action rwby

Madelaine Petsch

as Pyrrha Nikos in Live action rwby

Jesse Spencer

as Taiyang Xiao Long in Live action rwby

Dominic Sherwood

as Adam Taurus in Live action rwby

Dylan O'Brien

as Adam Taurus in Live action rwby

Colton Haynes

as Mercury Black in Live action rwby

Leo Howard

as Mercury Black in Live action rwby

Harry Shum Jr.

as Qrow Branwen in Live action rwby

Matthew Daddario

as Qrow Branwen in Live action rwby

Percy Hynes White

as Jaune Arc in Live action rwby

Jim Carrey

as Doctor Oobleck in Live action rwby

Seth Green

as Doctor Oobleck in Live action rwby

Tom Cavanagh

as Professor Ozpin in Live action rwby

Dean Cain

as General Ironwood in Live action rwby