Question: The Sea Hornet starred the American actor who played Jock Ewing on which soap opera?

Context paragraphs:
Gary Ewing: Garrison "Gary" Arthur Ewing is a fictional character from the CBS soap opera, "Knots Landing", a spin-off of "Dallas".  The character of Gary Ewing was first played by actor David Ackroyd, in a 2-part "Dallas" episode entitled "Reunion", which broadcast in September 1978.  Gary Ewing was the second son of oil baron Jock Ewing and Miss Ellie Ewing, the father of Lucy Ewing and the ex-husband of Valene Ewing.  Over a year later, the part of Gary Ewing was recast for the spin-off "Knots Landing" with actor Ted Shackelford in the role, and Gary became one of the main stars of the series in December 1979.  Ted Shackelford played Gary Ewing in "Knots Landing" for its entire fourteen seasons (1979–1993), while continuing to make occasional appearances in "Dallas" during that time.  The character of Gary made his last "Knots Landing" appearance in 1997, in the reunion series "".  Shackelford reprised his character for the new, updated version of "Dallas" in 2013.

Ewing family (television): The Ewing family is the core family of the American prime time soap opera "Dallas" and its 2012 revival, as well as the foundation of the spin-off series "Knots Landing".  In the original series of "Dallas", the Ewings owned and ran Southfork Ranch and the oil giant Ewing Oil; in the revival series, Ewing Oil is replaced by Ewing Global, formerly Ewing Energies.  "Knots Landing" featured the large corporation of Gary Ewing Enterprises.

Bobby Ewing: Robert "Bobby" James Ewing is a fictional character in the long-running soap opera, "Dallas" and its 2012 revival.  The youngest son of Jock and Miss Ellie Ewing, he was portrayed by actor Patrick Duffy between 1978 and 1985, and again from 1986 to 1991.  Bobby had been killed off in the final episode of the 1984–1985 season, and Patrick Duffy left the show for a year.  Bobby returned to the show in the famous "shower scene" right at the end of the 1985–1986 season.  The subsequent "dream revelation" at the start of the 1986–1987 season, wrote off Bobby's accident, his death and all but the final scene of the 1985–1986 season, as a dream of Bobby's fiancée and ex-wife, Pamela Barnes Ewing (Victoria Principal).

Patrick Duffy: Patrick Duffy (born March 17, 1949) is an American actor, best known for his role on the CBS primetime soap opera "Dallas", where he played Bobby Ewing, the youngest son of Miss Ellie and the nicest brother of J.R. Ewing (played by Barbara Bel Geddes and Larry Hagman) from 1978 to 1985 and from 1986 to 1991.  Duffy returned to reprise his role as Bobby in a continuation of "Dallas", which aired on TNT from 2012 to 2014.  He is also well known for his role on the ABC sitcom "Step by Step" as Frank Lambert, from 1991 to 1998, and for his role as Stephen Logan on the CBS daytime soap opera "The Bold and the Beautiful" (2006-2011).  Duffy played the lead character's father in the 2014 NBC sitcom "Welcome to Sweden".

Jock Ewing: John Ross "Jock" Ewing Sr. (1909–82) is a character in the popular American television series "Dallas", played by Jim Davis (1978–81); in the made-for-TV movie prequel to the series, "" (1986), he was played by Dale Midkiff.  Jock Ewing founded Ewing Oil in 1930 and was the patriarch of the Ewing family.

Rescue 8: Rescue 8 is a syndicated American action drama series about Los Angeles County Fire Department Rescue Squad 8.  It premiered in 1958 and originally ran for two seasons with syndicated reruns continuing for almost a decade thereafter.  It starred Jim Davis as fireman Wes Cameron (much later cast as Jock Ewing on CBS's "Dallas"), and Lang Jeffries as the fireman Skip Johnson.  Nancy Rennick and Mary K. Cleary each appeared in twenty-four episodes as Patty Johnson and Susan Johnson, the wife and daughter, respectively of Skip Johnson.  The series was produced by Screen Gems, with directors Dann Cahn and William Witney.  "Rescue 8" produced seventy-four half-hour episodes.  The first season ran on Tuesday evenings, and the second season on Wednesdays.

Jim Davis (actor): Jim Davis (August 26, 1909 – April 26, 1981) was an American actor, best known for his role as Jock Ewing in the CBS prime-time soap opera, "Dallas", a role which continued until he was too ill from a terminal illness to perform.

Valene Ewing: Valene "Val" Ewing (maiden name Clements, formerly Gibson, Waleska), portrayed by Joan Van Ark, is a fictional character in the CBS primetime soap opera "Knots Landing", a spin-off from the long-running series "Dallas", in which she also appeared.  The character originated on "Dallas" in 1978 as the mother of Lucy Ewing and ex-wife of Gary Ewing (the second son of oil baron Jock and Miss Ellie Ewing).  Van Ark made several guest appearances on "Dallas" before becoming one of the main stars of the spin-off "Knots Landing" in December 1979, though she continued to make small appearances in "Dallas" for the next several years.  Van Ark played Valene in "Knots Landing" for thirteen of its fourteen seasons, which made her one of the show's longest running stars.  The character made her last "Knots Landing" appearance in 1997, when she appeared in the reunion miniseries "".  In 2013, Van Ark reprised her character for the new, updated version of "Dallas".

The Sea Hornet: The Sea Hornet is a 1951 American adventure film directed by Joseph Kane and written by Gerald Drayson Adams.  The film stars Rod Cameron, Adele Mara, Lorna Gray, Chill Wills, Jim Davis and Richard Jaeckel.  The film was released on November 6, 1951, by Republic Pictures.

Cliff Barnes: Clifford "Cliff" Barnes, played by Ken Kercheval, is a fictional character from the popular American television series "Dallas".  The Barnes family are competitors and sometimes enemies of the Ewing family.  Cliff is the son of Willard "Digger" Barnes and Rebecca Barnes, the brother of Pamela Barnes Ewing and the half-brother of Katherine Wentworth.  J.R. Ewing (played by Larry Hagman) was Cliff's personal nemesis, with Cliff and J.R. continuing on the bitter feud that started with their fathers, Digger Barnes and Jock Ewing, from their oil wildcatting days in the 1930s.  Cliff and J.R. were the only two characters to appear throughout the entire run of the series.  A running gag on the series is Cliff's fondness for Chinese take-out.

Supporting paragraphs: The Sea Hornet Jim Davis (actor)
Answer: Dallas