Suggestions by @nikobatman

Andy Serkis

as Gill-Man/The Creature From The Black Lagoon (Voice and Mocap) in The Monster Squad : Demonic Incursion

Sofia Boutella

as Princess Ahmanet/The Mummy in The Monster Squad : Demonic Incursion

Sylvester Stallone

as Lawrence "Larry" Talbot/The Wolfman (Voice) in The Monster Squad : Demonic Incursion

Kate Winslet

as Wilhelmina "Mina" Harker in The Monster Squad : Demonic Incursion

Dwayne Johnson

as Matthayus/The Scorpion King in Van Helsing : Monsters in the Closet

Phil LaMarr

as The Soul Harvester (Voice) in Van Helsing : Monsters in the Closet

Tadanobu Asano

as Hatachi in Van Helsing : Monsters in the Closet

Anna Sawai

as Kimiko in Van Helsing : Monsters in the Closet

Kevin McNally

as Doctor Dan McCormick/Man Made Monster (Voice) in Van Helsing : Monsters in the Closet

Jason Flemyng

as M. Edward Hyde in Van Helsing : Monsters in the Closet

January Jones

as Victoria Van Helsing/The Pale Raven in Van Helsing : Monsters in the Closet

Keanu Reeves

as James Ikol/Loki in Van Helsing : Monsters in the Closet

Ólafur Darri Ólafsson

as Grendel (Voice) in Van Helsing : Monsters in the Closet

Doug Jones

as Slenderman in Van Helsing : Monsters in the Closet

Glenn Close

as Baba Yaga in Van Helsing : Monsters in the Closet

Mark Hamill

as Krampus (Voice) in Van Helsing : Monsters in the Closet

Josh Brolin

as The Big Bad Wolf (Voice) in Van Helsing : Monsters in the Closet

Viggo Mortensen

as Lord Dracula in Van Helsing : Monsters in the Closet

Zendaya Coleman

as Victoria Van Helsing in Van Helsing : Monsters in the Closet

Hugh Jackman

as Gabriel Van Helsing in Van Helsing : Monsters in the Closet