Suggestions by @johndean
17 suggestions

Benedict Cumberbatch
as Doctor Nye in Skulduggery Pleasant

Titus Makin Jr.
as Temper Fray in Skulduggery Pleasant

Chris O'Dowd
as Geoffrey Scrutinous in Skulduggery Pleasant

Pedro Pascal
as Billy Ray Sanguine in Skulduggery Pleasant

Chris O'Dowd
as Fergus Edgley in Skulduggery Pleasant

Con O'Neill
as Remus Crux in Skulduggery Pleasant
Ethan Slater
as Larrikin Fetter in Skulduggery Pleasant

Rhys Darby
as Donegan Bane in Skulduggery Pleasant
Taika Waititi
as Gracious O'Callahan in Skulduggery Pleasant

Gillian Anderson
as Melissa Edgley in Skulduggery Pleasant

Tobey Maguire
as Saracen Rue in Skulduggery Pleasant
David Harbour
as Dexter Vex in Skulduggery Pleasant
Patrick Dempsey
as Erskine Ravel in Skulduggery Pleasant

Neil Patrick Harris
as Billy-Ray Sanguine in Skulduggery Pleasant

Josh Brolin
as Mevolent in Skulduggery Pleasant

Sacha Dhawan
as Nefarian Serpine in Skulduggery Pleasant

Mia Wasikowska
as Tanith Low in Skulduggery Pleasant