In the Agents of S.H.I.E.L.D. episode "The Hub", a sign that says "H.A.M.M.E.R." appears in a scene in which Phil Coulson and Skye are walking through the titular base.
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His other credits as a television director include, Lone Star, Terriers, The Chicago Code, Sons of Anarchy, Torchwood, Breakout Kings,The Walking Dead and Agents of S.H.I.E.L.D..
He is best known for his television guest appearances on shows such as Scandal, Agents of S.H.I.E.L.D., Prison Break, Kenan & Kel, CSI, Private Practice, and, most notably, as Mr. Arnold, "The Birdman," on Grey's Anatomy.
Graziadei guest-starred in number of television series, including NCIS, Criminal Minds, 90210, Castle, CSI: Crime Scene Investigation, and Agents of S.H.I.E.L.D..