Suggestions by @sidneyorenburg

Zoë Wanamaker

as Anastasia Luccio (Older) in The Dresden Files

Nicole Kidman

as The Leanansidhe in The Dresden Files

Richard Gere

as John Marcone in The Dresden Files

Ray Wise

as John Marcone in The Dresden Files

Robert Patrick

as John Marcone in The Dresden Files

Vince McMahon

as John Marcone in The Dresden Files

Ray Stevenson

as John Marcone in The Dresden Files

Reggie Bannister

as "Mac" McAnally in The Dresden Files

Henry Simmons

as "Mac" McAnally in The Dresden Files

Michael Hogan

as "Mac" McAnally in The Dresden Files

Alison Brie

as Murphy in The Dresden Files

Trevor Einhorn

as Waldo Butters in The Dresden Files

Reginald VelJohnson

as Mortimer Lindquist in The Dresden Files

Jon Polito

as Mortimer Lindquist in The Dresden Files

Rich Evans

as Mortimer Lindquist in The Dresden Files

Stephen Tobolowsky

as Mortimer Lindquist in The Dresden Files

Ethan Phillips

as Mortimer Lindquist in The Dresden Files

Jim Rash

as Mortimer Lindquist in The Dresden Files

Willie Garson

as Mortimer Lindquist in The Dresden Files

Skyler Gisondo

as Waldo Butters in The Dresden Files