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Entertainment • Actor

Dan Blocker

Dan Blocker was an American actor best known for playing Eric “Hoss” Cartwright on the television series *Bonanza*.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Dan Blocker was an American actor best known for playing Eric “Hoss” Cartwright on the television series *Bonanza*. He became one of television’s most recognisable performers of the 1960s before his death in 1972 at age 43.

Early life

Dan Blocker was born Bobby Don Blocker in De Kalb, Texas, on December 10, 1928. He later lived in other parts of Texas before beginning his professional career. Sources also describe him as having attended college and worked as a teacher before moving into acting.

Acting career

Blocker’s major breakthrough came with the role of Hoss Cartwright on NBC’s *Bonanza*, which made him a familiar television figure for more than a decade. He also appeared in other television productions before and during his run on the series.

Death

Blocker died on May 13, 1972, at age 43 in Los Angeles after complications from gallbladder surgery. The immediate cause of death was a pulmonary embolism or blood clot in the lung.

Legacy

Blocker remains closely associated with *Bonanza* and with the image of the gentle giant character he portrayed. Later biographies and retrospective articles continue to treat him as a significant figure in American television history.

Key facts

  • Dan Blocker is best known for portraying Hoss Cartwright on *Bonanza*.
  • He was born in De Kalb, Texas, in 1928 and died in Los Angeles in 1972.
  • His death was caused by a pulmonary embolism following gallbladder surgery.
  • He acted in television during the 1950s and 1960s before becoming widely known through *Bonanza*.
  • He was married to Dolphia Lee Parker.
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Canadian context

Dan Blocker’s fame came from *Bonanza*, which was widely broadcast in Canada and remained part of North American television culture.

Frequently asked questions

Who was Dan Blocker?
Dan Blocker was an American actor best known for playing Hoss Cartwright on *Bonanza*.
What was Dan Blocker’s birth name?
His birth name was Bobby Don Blocker.
When was Dan Blocker born?
He was born on December 10, 1928.
How did Dan Blocker die?
He died on May 13, 1972, from a pulmonary embolism following gallbladder surgery.
What role made Dan Blocker famous?
He became famous for portraying Eric “Hoss” Cartwright in *Bonanza*.
Was Dan Blocker married?
Yes. One source identifies his wife as Dolphia Lee Parker.

References

  1. Wikipédiahttps://fr.wikipedia.org/wiki/Dan_Blocker
    Supports: French-language biographical details, birth and death places, and death cause.
  2. IMDbhttps://www.imdb.com/name/nm0088779/bio/
    Supports: Birth name, birth and death dates and places, height, and career overview.
  3. Wikipediahttps://en.wikipedia.org/wiki/Dan_Blocker
    Supports: Role as Hoss Cartwright, duration on Bonanza, and death circumstances.
  4. INSPhttps://www.insp.com/stories/dan-blocker/
    Supports: Death circumstances and age at death.
  5. TV Guidehttps://www.tvguide.com/celebrities/dan-blocker/bio/3000260968/
    Supports: Career notes, awards, and general biography.
  6. Texas State Historical Associationhttps://www.tshaonline.org/texas-day-by-day/entry/1182
    Supports: Early life, education, military service, teaching career, and Bonanza role.