Question: Who was the director of the 2010 American drama film starring the actor who played Dr. Emil Skoda in "Law & Order"?
Context: Shadowboxing is a 2010 American drama film starring Gerald Bunsen, Kelly Briscoe, Kenny Simmons, Glenn Kalison, and David Zayas.  It was written, produced, and directed by Vincent Zambrano and Jose L. Patino. Ivan Blakeley Kaye (born 1 July 1961 in Northampton, Northamptonshire) is an English actor.  He previously played Dr. Johnathon Leroy in a recurring role in "EastEnders", and he played Bryan in "The Green Green Grass".  He also played the Duke of Milan in all three Seasons of "The Borgias", and is now starring as King Aelle, in History channel's historical drama series "Vikings". An Invisible Sign is a 2010 American drama film directed by Marilyn Agrelo and starring Jessica Alba, J. K. Simmons, Chris Messina, Sophie Nyweide, and Bailee Madison.  Based on the 2001 novel "An Invisible Sign of My Own" by Aimee Bender, the film is about a painfully withdrawn young woman who, as a child, turned to math for comfort after her father became ill, and now as an adult, teaches the subject and must help her students through their own crises. Rabbit Hole is a 2010 American drama film starring Nicole Kidman, Aaron Eckhart, and Dianne Wiest, and directed by John Cameron Mitchell; the screenplay is an adaptation by David Lindsay-Abaire of his 2005 play of the same name.  Kidman produced the project via her company, Blossom Films.  The film premiered at the 2010 Toronto International Film Festival in September 2010.  Lionsgate distributed the film.  The plot deals with a couple struggling to heal after the death of their young son.  Kidman was critically acclaimed for her performance as Becca Corbett and received Academy Award, Golden Globe Award, and Screen Actors Guild Award nominations for Best Actress.  It received a limited release in the United States on December 17, 2010 and expanded nationwide on January 14, 2011. Jonathan Kimble "J. K." Simmons (born January 9, 1955) is an American character actor and voice actor.  In television, he is known for playing Dr. Emil Skoda on the NBC series "Law & Order" (and other "Law & Order" franchise series), neo-Nazi Vernon Schillinger on the HBO prison-drama "Oz", and Assistant Police Chief Will Pope on TNT's "The Closer".  His film roles include J. Jonah Jameson in Sam Raimi's "Spider-Man" trilogy and music instructor Terence Fletcher in 2014's "Whiplash".  He is also known for voicing Cave Johnson in the video game "Portal 2" (2011), Tenzin in "The Legend of Korra" (2012), Stanford Pines in "Gravity Falls", Kai in "Kung Fu Panda 3" (2016), Mayor Lionheart in "Zootopia" (2016) and Khampa in "Rock Dog" (2016).  Simmons also reprised his role as J. Jonah Jameson in various Marvel animated series and video games.  He has also appeared in a series of highly popular television commercials for Farmers Insurance. Case 219 is a 2010 American Drama film starring Evan Ross, Leven Rambin, and Taylor Nichols, and Harold Perrineau.  The film was written and directed by James Bruce and is based on the Walter Dean Myers novel Shooter. The American television police procedural and legal drama "Law & Order" (1990–2010) follows the cases of a group of police detectives and prosecutors who represent the public interest in the criminal justice system.  Known for its revolving cast, most of the original stars had left the show within the first five seasons; though Dann Florek reprised his role of Capt. Donald Cragen on the spin-off series "" from 1999 to 2014, and Chris Noth reprised his role of Det. Mike Logan on "" from 2005 to 2008.  The longest-serving main cast members of the original series include Steven Hill as D.A. Adam Schiff (1990–2000), Jerry Orbach as Det. Lennie Briscoe (1992–2004), S. Epatha Merkerson as Lt. Anita Van Buren (1993–2010), Sam Waterston as EADA/DA Jack McCoy (1994–2010) and Jesse L. Martin as Det. Ed Green (1999–2008).  Long-running recurring cast members on the series include John Fiore as Det. Tony Profaci (1990–1998), Carolyn McCormick as Dr. Elizabeth Olivet (1991–2009), Leslie Hendrix as Dr. Elizabeth Rodgers (1992–2010) and J.K. Simmons as Dr. Emil Skoda (1997–2010). Paul Sparer (December 19, 1923, in Boston, Massachusetts – November 19, 1999) was an American character actor.  He appeared as Rex Cooper in the soap operas "Somerset" and "Another World".  He was also known for narrating the anthology TV series "Tales from the Darkside".  His film roles include "Loving" and "The House on Carroll Street" while television appearances include "Armstrong Circle Theater", "Kojak", "The Adams Chronicles", "Lou Grant" and "".  Sparer also played Dr. Edward Auster in the first episode of "Law & Order", "Prescription for Death". David B. Walton (born October 27, 1978) is an American actor.  He is known for his role in the television sitcom "Cracking Up" (2004), as Liam Connor.  He has starred in several television programs, including the drama series "Heist" (2006), and on the NBC comedies "Perfect Couples" (2010–2011), "Bent" (2012), and "About a Boy" (2014–2015).  He played Dr. Rick in the comedy film "Fired Up! " (2009). Multiple Sarcasms is a 2010 American drama film starring Timothy Hutton, Mira Sorvino, Stockard Channing, Dana Delany, Chris Sarandon and Mario Van Peebles.  It was sold at the European Film Market on February 6, 2009 and was released in the United States May 7, 2010.
Answer: Marilyn Agrelo