Dennis Dirk Blocker is an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 actor

Actor

An actor is a person who acts in a dramatic production and who works in film, television, theatre, or radio in that capacity...

 and the son of late actor Dan Blocker

Dan Blocker

Dan Blocker was an American actor best remembered for his role as Eric "Hoss" Cartwright in the NBC western television series Bonanza.-Early life:...

, of the popular TV series, Bonanza

Bonanza

Bonanza is an American western television series that both ran on and was a production of NBC from September 12, 1959 to January 16, 1973. Lasting 14 seasons and 430 episodes, it ranks as the second longest running western series and still continues to air in syndication. It centers on the...

.

Dirk Blocker began appearing in American television

Television

Television is a telecommunication medium for transmitting and receiving moving images that can be monochrome or colored, with accompanying sound...

 in 1974, acting in an episode of Marcus Welby, M.D.

Marcus Welby, M.D.

Marcus Welby, M.D. is an American medical drama television program that aired on ABC from September 23, 1969, to July 29, 1976. It starred Robert Young as a family practitioner with a kind bedside manner, and was produced by David Victor and David J. O'Connell...

at the age of sixteen. He has had guest roles in ER

ER (TV series)

ER is an American medical drama television series created by novelist Michael Crichton that aired on NBC from September 19, 1994 to April 2, 2009. It was produced by Constant c Productions and Amblin Entertainment, in association with Warner Bros. Television...

, Little House on the Prairie

Little House on the Prairie (TV series)

Little House on the Prairie is an American Western drama television series, starring Michael Landon and Melissa Gilbert, about a family living on a farm in Walnut Grove, Minnesota, in the 1870s and 1880s. The show was an adaptation of Laura Ingalls Wilder's best-selling series of Little House books...

, The X-Files

The X-Files

The X-Files is an American science fiction television series and a part of The X-Files franchise, created by screenwriter Chris Carter. The program originally aired from to . The show was a hit for the Fox network, and its characters and slogans became popular culture touchstones in the 1990s...

, Beverly Hills, 90210

Beverly Hills, 90210

Beverly Hills, 90210 is an American drama series that originally aired from October 4, 1990 to May 17, 2000 on Fox and was produced by Spelling Television in the United States, and subsequently on various networks around the world. It is the first series in the Beverly Hills, 90210 franchise...

, Walker, Texas Ranger

Walker, Texas Ranger

Walker, Texas Ranger is an American television action crime drama series created by Leslie Greif and Paul Haggis, and starring Chuck Norris as a member of the Texas Ranger Division. The show aired on CBS in the spring of 1993, with the first season consisting of three pilot episodes. Eight full...

, Murder, She Wrote

Murder, She Wrote

Murder, She Wrote is an American television mystery series starring Angela Lansbury as mystery writer and amateur detective Jessica Fletcher. The series aired for 12 seasons from 1984 to 1996 on the CBS network, with 264 episodes transmitted. It was followed by four TV films and a spin-off series,...

, Quantum Leap and CHiPs

CHiPs

CHiPs is an American television drama series produced by MGM Studios that originally aired on NBC from September 15, 1977, to July 17, 1983. CHiPs followed the lives of two motorcycle police officers of the California Highway Patrol...

. Blocker was a regular on Baa Baa Black Sheep

Baa Baa Black Sheep (TV series)

Baa Baa Black Sheep is a television series that aired on NBC from 1976 until 1978. Its premise was based on the experiences of United States Marine Corps aviator Pappy Boyington and his World War II "Black Sheep Squadron". The series was created and produced by Stephen J. Cannell...

as one of the main pilots. He has also appeared in such films and TV shows as Short Cuts

Short Cuts

Short Cuts is a 1993 American drama film directed by Robert Altman. Filmed from a screenplay by Robert Altman and Frank Barhydt, it is inspired by nine short stories and a poem by Raymond Carver...

, Poltergeist, Pink Cadillac, Mad City

Mad City (film)

Mad City is a 1997 drama film and thriller film written by Tom Matthews and Eric Williams, directed by Costa-Gavras, and starring Dustin Hoffman, John Travolta, Mia Kirshner, Alan Alda, Blythe Danner, Ted Levine, Raymond J. Barry, and Larry King.-Plot:...

, Trouble in Mind

Trouble in Mind (film)

Trouble in Mind is a 1985 neo-noir film which follows an ex-cop just released from jail after serving time for a murder sentence as he returns to the mean streets of the fictional "Rain City"....

, Midnight Madness, M*A*S*H, Doogie Houser, Matlock

Matlock

Matlock is the county town of Derbyshire, England. It is situated at the south eastern edge of the Peak District, and forms part of the Sheffield City Region. The town is twinned with the French town Eaubonne. The former spa resort Matlock Bath lies immediately south of the town on the A6. Matlock,...

, and Prince of Darkness

Prince of Darkness (film)

Prince of Darkness is a 1987 horror film directed, written, and scored by John Carpenter. The film is the second installment in what Carpenter calls his "Apocalypse Trilogy", which began with The Thing and concludes with In the Mouth of Madness .-Plot:The movie opens with a dying priest clutching...

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