Anyone who's watched  can attest that has incredible range. During this single show, he managed to play countless versions of his character Castiel — from Lucifer to a power-hungry god-like version of the angel. Through it all, Collins put on a slew of performances that were so convincing that they gave fans nightmares. And with a ghost-hunting show like "Supernatural," that's not exactly an easy task.

There's just something about Collins' villains that scream abrupt unbridled chaos. His acting choices in these roles are wholly unique and wild to the fullest extent — making his characters unpredictably delightful. Now, instead of getting a few villainous arcs, Collins is playing Harvey Dent in the upcoming CW series "Gotham Knights."

For anyone who needs to brush up on their DC Comics lore, Harvey Dent is none other than the iconic villain Two-Face. Casting Collins was a brilliant choice considering his villainous roles typically have a vibrant fuse.

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