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).
Murder of a Cat is a 2014 American independent thriller comedy film directed by Gillian Greene and starring Fran Kranz, Nikki Reed, J.K. Simmons, and Blythe Danner.
 The film premiered at the 2014 Tribeca Film Festival.
Alexander Richard "Alex" Frost (born February 17, 1987) is an American actor.
The Overnight is a 2015 American sex comedy film written and directed by Patrick Brice, and starring Adam Scott, Taylor Schilling, Jason Schwartzman, and Judith Godrèche.
 The film was produced by Naomi Scott and executive produced by Mark Duplass, Jay Duplass, and Adam Scott.
Prom Night is a 2008 American-Canadian slasher film directed by Nelson McCormick that is a loose remake of the 1980 film "Prom Night".
 The film stars an ensemble cast including Brittany Snow, Scott Porter, Jessica Stroup, Dana Davis, Collins Pennie, Kelly Blatz, James Ransone, Brianne Davis, Kellan Lutz, Mary Mara, Ming-Na Wen, Johnathon Schaech and Idris Elba.
 A high school girl named Donna Keppel (Snow) is traumatized after witnessing her former teacher, Richard Fenton (Schaech), brutally murder her entire family after he had become dangerously obsessed with her.
 Three years later, as Donna gets ready for her senior prom, Fenton escapes from custody, follows her to the hotel hosting the prom, and kills anybody who gets in the way of his reunion with Donna.
Hairspray is a 2007 musical romantic comedy film based on the 2002 Broadway musical of the same name, which in turn was based on John Waters's 1988 comedy film of the same name.
 The film is a British-American venture produced by Ingenious Media and Zadan/Meron Productions.
 Adapted from both Waters's 1988 script and Thomas Meehan and Mark O'Donnell's book for the stage musical by screenwriter Leslie Dixon, the 2007 film version of "Hairspray" was directed and choreographed by Adam Shankman and has an ensemble cast including John Travolta, Michelle Pfeiffer, Christopher Walken, Amanda Bynes, James Marsden, Queen Latifah, Brittany Snow, Zac Efron, Elijah Kelley, Allison Janney, and Nikki Blonsky in her feature film debut.
 Set in 1962 Baltimore, Maryland, the film follows the "pleasantly plump" teenager Tracy Turnblad as she pursues stardom as a dancer on a local TV show and rallies against racial segregation.
Pitch Perfect is a 2012 American musical comedy film written by Kay Cannon and directed by Jason Moore.
 It features an ensemble cast, including Anna Kendrick, Skylar Astin, Rebel Wilson, Anna Camp, Brittany Snow, Ester Dean, Alexis Knapp, Hana Mae Lee, Adam DeVine, Ben Platt, John Michael Higgins, and Elizabeth Banks.
 The plot follows Barden University's all-girl a cappella group, The Barden Bellas, as they compete against another a cappella group from their college to win Nationals.
 The film is loosely adapted from Mickey Rapkin's non-fiction book, titled "Pitch Perfect: The Quest for Collegiate a Cappella Glory".
 Filming concluded in December 2011, in Baton Rouge, Louisiana.
The Late Bloomer is an American comedy-drama film directed by Kevin Pollak and written by Gary Rosen, Joe Nussbaum, Paul A. Kaplan & Mark Torgove, and Kyle Cooper & Austyn Jeffs.
 It is based on journalist Ken Baker's autobiographical "Man Made: A Memoir of My Body".
 It stars Johnny Simmons, Maria Bello, Brittany Snow, Jane Lynch, J. K. Simmons, Kumail Nanjiani, Beck Bennett and Paul Wesley.
A Beginner's Guide to Endings is a 2010 film directed by Jonathan Sobol and starring Harvey Keitel, Scott Caan, and J.K. Simmons.
The Vicious Kind is a 2009 drama film directed and written by Lee Toland Krieger.
 The screenplay was originally set in a small town in Rhode Island, but the film was shot in Norfolk, Connecticut, which also became the character's hometown.
 The film stars Adam Scott, Brittany Snow, Alex Frost and J.K. Simmons.
 The film premiered at the 2009 Sundance Film Festival, and opened in Los Angeles on December 11, 2009 at the Laemlle Sunset 5.

Question: What American actor born in 1987 stared in a film with Adam Scott, Brittany Snow, and J.K. Simmons?
Answer: Alexander Richard "Alex" Frost