Suggestions by @jeanpaulvalley

John Carroll Lynch

as Professor Pyg in Arkham Asylum : Nightmarish Sea Travel

David Tennant

as The Riddler in Arkham Asylum : Nightmarish Sea Travel

Mark Strong

as Mister Freeze in Arkham Asylum : Nightmarish Sea Travel

Christina Hendricks

as Poison Ivy in Arkham Asylum : Nightmarish Sea Travel

Robert Englund

as Scarecrow in Arkham Asylum : Nightmarish Sea Travel

Vin Diesel

as Killer Croc (Voice) in Arkham Asylum : Nightmarish Sea Travel

Denzel Washington

as Two-Face in Arkham Asylum : Nightmarish Sea Travel

Margot Robbie

as Harley Quinn in Arkham Asylum : Nightmarish Sea Travel

Johnny Depp

as Joker in Arkham Asylum : Nightmarish Sea Travel

Dave Bautista

as Bane in Arkham Asylum : Nightmarish Sea Travel

Karl Urban

as Batman in Arkham Asylum : Nightmarish Sea Travel

Nimród Antal

as Director in Oakwood

Robert Rodriguez

as Producer in Oakwood

Dilophosaurus

as Dilophosaurus in Oakwood

Velociraptor

as Raptors in Oakwood

Tyrannosaurus Rex

as Tyrannosaurus in Oakwood

John Malkovich

as Frederick in Oakwood

Pedro Pascal

as Juan in Oakwood

Iman Vellani

as Salima in Oakwood

D. B. Woodside

as Louis in Oakwood