as Satan
as Frank Ferrin
as Devon(11 eps)
as Terry
as John
as Ivan Van Peit(1 ep)
as Chris McGowan(1 ep)
as Hemingway (voice)
as Andrew(4 eps)
as Benjamin 'Bugsy' Siegel(1 ep)
as Harry
as Josh Kaminski(71 eps)
as Josh Miller(1 ep)
as Paul
as Henry Goodson(18 eps)
as Blake
as Doug
as Wade
as Sayles(3 eps)
as Laszlo Mahnovski(1 ep)
as Trey
as Paul
as Dr. Mason, #10(1 ep)
as Oleg Karponov(1 ep)
as Brett's Assistant(1 ep)
as Lieutenant Norski(1 ep)
as Jefferson(6 eps)
as Bruce Kelso(1 ep)