Question: Which actor known for his roles on the television shows "Party of Five" and "7th Heaven" also stared in a 2001 film based off of William Shakespeare's "Othello"?

Context paragraphs:
O (film): O is a 2001 American drama film, and a loose modern adaptation of William Shakespeare's "Othello", set in an American high school.  It stars Mekhi Phifer and Josh Hartnett.

Matt Farnsworth: Matt Farnsworth (born August 16, 1975) is an American actor, director, producer, writer, and editor.  He is the creator of the slasher film "The Orphan Killer".  Farnsworth also appeared on national television shows 7th Heaven, Any Day Now, and JAG.  Farnsworth has a background in film editing previously working with Robert Brown.  In a 2012 interview

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.

Carol Arthur: Carol Arthur (born August 4, 1935) is an American actress, mainly recognizable as playing supporting roles in films produced by Mel Brooks.  She is probably best remembered as the outspoken town school teacher Harriett Johnson "("You are the leading asshole in the state!")" , in Brooks' "Blazing Saddles".  She has also guest-starred in many television shows from the mid 1970s to the mid 2000s, including "The Dom DeLuise Show", "Emergency! ", "Sanford and Son", "Rhoda", "Alice", "Steven Spielberg's Amazing Stories", "St. Elsewhere" and "7th Heaven".

Andrew Keegan: Andrew Keegan (born January 29, 1979) is an American actor best known for his roles in television shows including "Party of Five" and "7th Heaven" and in films such as "10 Things I Hate about You", "The Broken Hearts Club" (2000) and "O" (2001).

Ashley Tisdale filmography: American actress Ashley Tisdale has appeared in many motion pictures and television programs since starting her career in 1988.  She made her acting debut at age 12 with small roles in the 1997 television series "Smart Guy" and "7th Heaven".  A year later, she had her first voice role in the feature film "A Bug's Life".  In the following years, she had small roles in television shows such as "Beverly Hills, 90210" (2000), "The Amanda Show" (2000), "The Hughleys" (2002), "Still Standing" (2003) and "Boston Public "(2000).  Her performance in the last earned her a Young Artist Award nomination for "Best Performance in a Television Drama Series".  She was eventually cast in her first main role in Disney Channel's "The Suite Life of Zack & Cody" in 2005, which had three seasons (2005-2008).

Othello (1995 film): Othello is a 1995 film based on William Shakespeare's tragedy of the same name.  It was directed by Oliver Parker and stars Laurence Fishburne as Othello, Irène Jacob as Desdemona, and Kenneth Branagh as Iago.  This is the first cinematic reproduction of the play released by a major studio that casts an African American actor to play the role of Othello, although low-budget independent films of the play starring Ted Lange and Yaphet Kotto predated it.

Jason Behr: Jason Behr (born December 30, 1973 ) is an American film and television actor.  He first starred in the American television series "Roswell", for which he was twice nominated for a Saturn Award, followed by roles in the films "The Shipping News" and the American remake of the Japanese horror film "The Grudge".  Behr has also had a series of guest appearances in various television shows like "Step by Step", "The Profiler", "7th Heaven", "Buffy the Vampire Slayer", "JAG" and had a recurring role in the American television series "Dawson's Creek".

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.

Barret Swatek: Barret Swatek (born March 3, 1977) is an American actress and comedian who has appeared in films such as "Lethal Weapon 4", "The 40-Year-Old Virgin", and "High School".  She has also made guest appearances on television shows such as "Just Shoot Me! ", "American Dad! ", and "2 Broke Girls", and recurred as teacher Ms. Sommers on "10 Things I Hate About You".  She played resident bad girl gone good, Cheryl, on the WB series "7th Heaven" for three seasons, and played the role of Brittany on the NBC comedy series "Quarterlife".  She is a frequent panelist on the late-night Fox News show "Red Eye w/Greg Gutfeld".  Swatek plays the recurring character Ally on the MTV comedy series "Awkward".

Supporting paragraphs: Andrew Keegan O (film)
Answer: Andrew Keegan