Question: What role is the actor who played Don Flack best known for?

Context paragraphs:
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".

Johnny Weissmuller: Johnny Weissmuller (2 June 190420 January 1984) was an Austro-Hungarian-born American competition swimmer and actor, best known for playing Tarzan in films of the 1930s and 1940s and for having one of the best competitive swimming records of the 20th century.  Weissmuller was one of the world's fastest swimmers in the 1920s, winning five Olympic gold medals for swimming and one bronze medal for water polo.  He was the first to break the one minute barrier for 100-meter freestyle, and the first to swim 440-yard freestyle under five minutes.  He won fifty-two U.S. national championships, set more than 50 world records (spread over both freestyle and backstroke), and was purportedly undefeated in official competition for the entirety of his competitive career.  After retiring from competitions, he became the sixth actor to portray Edgar Rice Burroughs's ape man, Tarzan, a role he played in 12 motion pictures.  Dozens of other actors have also played Tarzan, but Weissmuller is by far the best known.  His character's distinctive Tarzan yell is still often used in films.

Peter Scolari: Peter Thomas Scolari (born September 12, 1955) is an American television, film, and stage actor.  He is best known for his roles as Michael Harris, the hyperactive, scheming producer of Dick Loudon (played by Bob Newhart) on "Newhart", a role he played from 1984 to 1990.  After "Newhart", he and Julia Duffy, who played his wife in the series have remained close friends.  Before that, he played Henry Desmond in "Bosom Buddies".  After that sitcom, he and Tom Hanks, who played his best friend and roommate in the series have remained close friends.  Scolari received three Emmy nominations for his work on "Newhart" and won the Primetime Emmy Award for Outstanding Guest Actor in a Comedy Series for his recurring role as Tad Horvath on "Girls" in 2016.

Eddie Cahill: Edmund Patrick "Eddie" Cahill (born January 15, 1978) is an American actor best known for portraying "Miracle on Ice" goalie Jim Craig in the movie "Miracle", and for playing the roles of Tag Jones on "Friends" and Detective Don Flack on "."  His most recent role was as District Attorney Conner Wallace on the ABC series "Conviction".

Donald Flack, Jr.: Don Flack is a fictional character on the CBS television series, "".  He is portrayed by Eddie Cahill.

Michael Ande: Michael Ande (born 5 October 1944, Bad Wiessee) is a German actor best known for his role as Gerd Heymann in the West German crime-drama television series "Der Alte".  He was a well-known German film child star during the 1950s.  A German reader reports, "Michael played in mostly melodramas--those films with nice people, love and mountains, etc (sentimental film in an idealized setting).  Some would consider these rather schmaltz tear-jerkers.  Two words come to mind in German.  The first is "Heimatfilm".  Heimat is home, where I came from This kind of film stands for: very sentimental, lots of love (and some ache but with Happy End), idealistic setting, Lederhosen, Mountains, Conservative ideals, etc.  The second is "Heile-Welt-Film" meaning "intact-world-film" They were, however very popular films in Germany."  He played a variety of roles in these films, including choir boys.  One of these films was "Der schoenste Tag in meinem Leben" (1957) in which he played a chorister in the Vienna Boys' Choir.  There is an image of him, for example, on the HBC choir-film pages.  Michael also played in two German films about the Trapp family: "Die Trapp-Familie" (1956) and "Die Trapp-Familie in Amerika" (1958).  These films were made some years before the 1965 U.S. film musical version of the Trapp films, "The Sound of Music" was made.  (The Broadway version appeared in 1959.)  Michael played the role of Werner in the Trapp-films.  (In "The Sound of Music" the boy's name is Kurt.)  Ande like many child actors had difficulty continuing his career as an adult actor.  He had problems being accepted as adult actor as he had such a youthful-looking face.

Tom Degnan: Tom Degnan (born September 24, 1982 in Bucks County, Pennsylvania) is an American actor.  He is best known for his role on "One Life to Live" as Joey Buchanan from 2010 to 2011.  He also appeared in "As the World Turns" in 2009 as Riley Morgan/Adam Munson.  Additional appearances include "Handsome Harry", alongside Steve Buscemi, and "Little Miss Perfect", alongside Lilla Crawford.  In 2013 he played the role of Fire Marshall Rick Kelly in the 10th episode of the 4th season of the CBS police procedural drama "Blue Bloods" in the episode "Mistaken Identity".  He has also played roles in the TV shows "Lipstick Jungle", "Law & Order", "The Unusuals", "The Good Wife", "White Collar", "The Following", "Magic City", "Person of Interest", "The Michael J. Fox Show", "Madam Secretary", and "The Sonnet Project".  In 2013 he played the role of Chris Van Helsing in the made-for-TV movie "Gothica" and played the role of Matt in the 2014 made-for-TV movie "Tin Man".  In 2015 he played the role of Jim in the romance-drama film "To Whom It May Concern" and played the role of Tom in the short story drama film "Seclusion".  Degnan also had a recurring role on CBS's "Limitless".

Steven Boyer: Steven Boyer is an American stage and television actor, comedian, and musician.  He is best known for originating the role of Jason/Tyrone in "Hand to God" Off-Broadway and in the Broadway production.  This role earned him a Tony nomination for Best Leading Actor in a Play.  He plays the role of Dwayne Reed in the NBC sitcom "Trial & Error", with John Lithgow.  He played a minor role in Martin Scorsese's "The Wolf of Wall Street" alongside Leonardo DiCaprio.  He has also played several small parts in television, including "The Good Wife", "Law & Order", and "Orange Is the New Black".

Vinod Kovoor: Vinod Kovoor is an Indian film actor best known for his work in Malayalam cinema.  He got fame with his role Moidu in the popular comedy show "Marimayam" broadcast by Mazhavil Manorama, which conveys a real picture of public offices in Kerala.  He is also known for his role as "Moosakka" in "M80 Moosa", a serial in Media one channel.  He has written books on his favorite realm mimicry and mono-act.  His first book "Ekabhinaya Samaharam" has 25 scripts, and most of it deals with social issues and his second book "Kalolsavam Monoact" was also released.  He got Best actor Award for the short film "Athe Karanathal" from the National Film Festival.  He was best actor for consecutively four years in Kerala Kalolsavam.  He won best Excellency award by Rotary, J.C.I.  He also received Best Television Anchor Award by K.C.L, Best Comedy artist Award by Kerala Hasyavedi, Kazhcha Award and Best child artist award for the drama "Chandrolsavam" in Kambissery Nadakolsavam . His achayan role in the super hit short film "Nerariyathe" critically acclaimed.

John Amos: John Allen Amos Jr. (born December 27, 1939) is an American actor who is best known for his role as James Evans, Sr. on the CBS television series "Good Times" (1974–76).  Amos' other television work includes roles in "The Mary Tyler Moore Show", the miniseries "Roots", for which he received an Emmy nomination, and a recurring role as Admiral Percy Fitzwallace on "The West Wing".  Amos also played the father of Will Smith's character's girlfriend, Lisa Wilkes, in "The Fresh Prince of Bel-Air", and he had a recurring role on "In the House" with LL Cool J, as Coach Sam Wilson.  Amos played the Father of Tommy Strawn (Thomas Mikal Ford) on the long running sitcom, "Martin", as Sgt. Strawn, and another recurring role on "Two and a Half Men" as Chelsea's dad's new lover, Edward Boynton.  Amos also played Major Grant, the US Special forces officer in "Die Hard 2".  Amos has also appeared on Broadway and in numerous films in a career that spans four decades.  He has received nominations for a Primetime Emmy Award and NAACP Image Award.

Supporting paragraphs: Donald Flack, Jr. Eddie Cahill
Answer: Jim Craig