Dennis Dirk Blocker (born July 31, 1957) is an American actor. He earned his first regular TV role on Baa Baa Black Sheep (1976–1978), playing pilot Jerry Bragg. From 2013–2021, he starred as Detective Michael Hitchcock on the Fox/NBC comedy series Brooklyn Nine-Nine. Born in Los Angeles, California, he is the son of actor Dan Blocker and Dolphia Lee Blocker (née Parker). His brother is producer David Blocker.

Filmography

• Doogie Kamealoha, M.D. — Gordon
• There's... Johnny! — Lyle
• 2016Advance & Retreat — Dan
• Brooklyn Nine-Nine — Michael Hitchcock
• Criminal Minds — Trent
• 2005McBride: The Chameleon Murder — Det. Jake Fitzsimmons
• Over There — Lon
• Deadwood — Jay Johnson
• 1999Inherit the Wind — Sheriff Sam Gibson
• Gun — Clifford Sutton
• 1997Mad City — Bowler #2
• Pacific Palisades — Chuck Furness
• The Practice — Jason Grove
• 1996Larger Than Life — Airport Security Man
• 1995Bonanza: Under Attack — Fenster
• 1995Night of the Scarecrow — George
• ER — Mr. Groder
• 1993Bonanza: The Return — Walter Fenster
• 1993River of Rage: The Taking of Maggie Keene — Sheriff Mapes
• 1993Short Cuts — Diner Customer
• The John Larroquette Show — Tom Tuttle
• The X-Files — Mayor Gilmore
• Walker, Texas Ranger — Buford Pike
• 1992Equinox — Red
• 1991One Special Victory — Joey
• Beverly Hills, 90210 — Dan the Bartender
• 1990Love at Large — Hiram Culver
• 1989Cutting Class — Coach Harris
• Doogie Howser, M.D. — Jerry
• Hardball
• Jesse Hawkes
• 1989Pink Cadillac — Policeman #1
• Quantum Leap — Tom
• 1988Born to Race — Bud
• 1988My Father, My Son — Billy
• 21 Jump Street — Officer Ross
• 1987Desperado — Grady, Livery Stable
• 1987Made in Heaven — Shorty
• 1987Paul Reiser: Out on a Whim
• 1987Prince of Darkness — Mullins
• Matlock — Vincent's Aide, Apartment Manager
• MacGyver — Chuck / Hunch
• 1985Trouble in Mind — Rambo
• Hunter — Randall Fane
• Murder, She Wrote — Sheriff Jim Monday
• Night Court — Dave
• 1984Starman — Cop #1
• Ryan's Four — Dr. Norman Rostov
• Newhart
• 1982Poltergeist — Jeff Shaw
• 1982The Border — Beef
• 1982Two of a Kind — Barry
• Simon & Simon
• Beyond Westworld — Mace
• 1980Midnight Madness — Blaylak - Green Team
• 1980Raise the Titanic — Merker
• B. J. and the Bear
• Salvage 1
• CHiPs
• What Really Happened to the Class of '65?
• Baa Baa Black Sheep — Jerry Bragg
• 1976Bridger — Joe Meek
• 1976The Flying Misfits — 1st Lt. Jerome 'Jerry' Bragg
• Little House on the Prairie — Abel Makay
• Lucas Tanner
• M*A*S*H — James Mathes

Appearances as themselves (3)

• 2022Goodbye Brooklyn Nine-Nine — Self
• Late Night with Seth Meyers — Self
• The Mike Douglas Show — Self