It's Ichabod Crane! This famous character is played by Tom Mison on Sleepy Hollow.
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Sleepy Hollow Season 1 Episode 1 Quotes

Police Detective: Do you admit to cutting off his head, yes or no?
Ichabod: Nooo. First I shot him, then he rose back up. Cutting off his head seemed the next logical step.

Abbie: Who is he? When's the last time you saw him?
Ichabod: When I cut off his head.