Suggestions by @nikobatman

Vivien Lyra Blair

as Cassiopeia in Van Helsing : Krampus Gift for Christmas

Johnny Depp

as Doctor Jack Griffin/The Invisible Man in Van Helsing : Krampus Gift for Christmas

Hugh Jackman

as Gabriel Van Helsing in Van Helsing : Krampus Gift for Christmas

Elizabeth Olsen

as Samaella/Satan's Daughter (Mid-Credit Scene) in Monstrous Policy

Julien Doré

as Augustin Champêtre in Monstrous Policy

Matilda Legault

as Pricilla "Prissy" Gable in Monstrous Policy

Tye Sheridan

as Jonathan Gable in Monstrous Policy

CGI Monster

as Apokalypton in Monstrous Policy

John Malkovich

as Roderick in Monstrous Policy

Hannah John-Kamen

as Ariel/The "Little" Mermaid in Monstrous Policy

Gerard Butler

as Lokmatal IV, The Steel Clamp (Voice and Mocap) in Monstrous Policy

Andy Serkis

as Gill-Man/The Creature From the Black Lagoon (Voice) in Monstrous Policy

Robert Englund

as The Scarecrow (Voice) in Monstrous Policy

Kaley Cuoco

as The Mad Hatter in Monstrous Policy

BD Wong

as Jigmar (Voice) in Monstrous Policy

Kevin McNally

as Doctor Dan McCormick/Man Made Monster (Voice) in Monstrous Policy

Margot Robbie

as Lucretia/The Feline in Monstrous Policy

Ron Perlman

as Gegene (Voice) in Monstrous Policy

Ray Park

as The Headless Horseman in Monstrous Policy

Jamie Foxx

as Ezekiel Baptiste/The Dead Speaker in Monstrous Policy