Question: In addition to his role in When Strangers Appear, what role did Barry Watson play in "7th Heaven"?

Context paragraphs:
Chaz Lamar Shepherd: Chaz Lamar Shepard (born October 26, 1977) is an American actor and singer-songwriter.  Shepard is known for his regular role as John Hamilton on "7th Heaven" and his recurring role as Trey Wiggs on "The Game".  From 1994-1995, he is also best known for his role as Artis Tower, son of Steve Tower (Steve Harvey) on "Me and the Boys" for ABC.  In addition, he starred as Curtis Taylor, Jr. in a 2009-10 national tour of the musical "Dreamgirls".  Most recently starred as a local pastor in Haters Back Off!  A Netflix original series based on YouTube sensation Miranda Sings.

When Strangers Appear: When Strangers Appear is a 2001 psychological thriller film starring Radha Mitchell ("Pitch Black", "High Art"), Barry Watson (TV's "Seventh Heaven") and Josh Lucas ("The Deep End").

Safe Harbor (TV series): Safe Harbor is an American television drama series that aired on The WB Television Network from September 20, 1999 to November 28, 1999.  The series was created and executive produced by Brenda Hampton, who at the time was best known for work on the fellow WB series "7th Heaven", the series was paired with "7th Heaven" on the network's Monday night lineup.  Despite "7th Heaven" being the No. 1 show on The WB during the 1999-2000 season, "Safe Harbor" was unable to hold a solid audience after "7th Heaven" and was canceled after ten episodes and one season with the show moving to Sunday nights where the last two episodes aired.

List of 7th Heaven episodes: "7th Heaven" is an American television drama series created by executive producer Brenda Hampton, and co-executive produced by Aaron Spelling and E. Duke Vincent through Spelling Television.  The series revolves around a family headed by parents Eric Camden (Stephen Collins), a Protestant Reverend, and Annie Camden (Catherine Hicks), a homemaker.  Their seven children are Matt (Barry Watson), Mary (Jessica Biel), Lucy (Beverley Mitchell), Simon (David Gallagher), Ruthie (Mackenzie Rosman) and twins Sam and David (Nikolas and Lorenzo Brino).

7th Heaven (season 6): Season six of "7th Heaven"—an American family-drama television series, created and produced by Brenda Hampton—premiered on September 24, 2001, on The WB, and concluded on June 20, 2002 (22 episodes).  This is the last season in which Barry Watson and Jessica Biel are main cast members.

7th Heaven (1927 film): 7th Heaven (also known as Seventh Heaven) is a 1927 American silent romantic drama directed by Frank Borzage, and starring Janet Gaynor and Charles Farrell.  The film is based upon the 1922 play "Seventh Heaven", by Austin Strong and was adapted for the screen by Benjamin Glazer.  "7th Heaven" was initially released as a standard silent film in May of 1927.  On September 10, 1927, Fox Film Corporation re-released the film with a synchronized Movietone soundtrack with a musical score and sound effects.

Barry Watson (actor): Michael Barrett "Barry" Watson (born April 23, 1974) is an American actor, known for his roles of Matthew "Matt" Camden on "7th Heaven", Brian Davis in "What About Brian" and Todd Deepler in "Samantha Who? ".

Keith Semple: Keith Semple (born 20 September 1981 in Larne, Northern Ireland) is a Northern Irish singer and musician.  He originally had his own band Keith Semple Band.  In 2002, he took part and was a winner in "Popstars: The Rivals", consequently becoming a member of the boyband One True Voice (OTV).  After the split-up of the band, he had a solo career before joining the American Chicago-based rock band 7th Heaven in 2006 as their lead singer.  In 2010, he took a shot at the ninth season of "American Idol", but lost his "golden ticket" place due to his legal status and residency considerations.  In October 2012, Keith announced he would be leaving 7th Heaven to pursue his original music and announced the formation of his new band, SEMPLE.  In September 2015, Keith auditioned for Season 9 of "The Voice" as part of Team Adam.  He was eliminated from competition after the Top 24 round.

Catherine Hicks: Catherine Mary Hicks (born August 6, 1951) is an American television, film, and stage actress.  She is known for her role as Annie Camden on the long-running television series "7th Heaven".  Other notable roles include Dr. Faith Coleridge on the soap opera "Ryan's Hope" (1976–1978), her Emmy Award-nominated performance as Marilyn Monroe in "" (1980), Dr. Gillian Taylor in "" (1986), and Karen Barclay in "Child's Play" (1988).

Beverly Garland: Beverly Garland (October 17, 1926 – December 5, 2008) was an American film and television actress, businesswoman, and hotel owner.  Her work in feature films primarily consisted of small parts in a few major productions or leads in low-budget action or science fiction movies.  She may be best remembered as Barbara Harper Douglas, the woman who married widower Steve Douglas (Fred MacMurray) in the latter years of the sitcom "My Three Sons".  She played that role from 1969 until the series ended in 1972.  In the 1980s, she co-starred as Kate Jackson's widowed mother, Dotty West, in the CBS television series "Scarecrow and Mrs. King".  She had a recurring role as Ginger Jackson on "7th Heaven".

Supporting paragraphs: When Strangers Appear Barry Watson (actor)
Answer: Matthew "Matt" Camden