Life of the Party is an upcoming comedy film directed by Ben Falcone and written by Falcone and Melissa McCarthy.
 The film stars McCarthy, Molly Gordon, Maya Rudolph, Julie Bowen, Gillian Jacobs, Debby Ryan, Matt Walsh and Jacki Weaver.
 Produced by On the Day, the film is scheduled to be released May 11, 2018 by Warner Bros.
 Pictures.
David Allen Stich, a.k.a. Rockin’ Dave Allen, a.k.a. Dave Allen, (September 27, 1941 – April 28, 1985) was an American blues guitarist, singer and songwriter.
 Allen performed live throughout Texas and the Gulf Coast area from the late 1950s through the early 1980s.
 He recorded for the Jin, Eric, International Artists, Rock-a-Billy and Big Orange record labels for a total of sixteen 45 sides and two vinyl LPs.
 Some of this material has also appeared on compact disc anthologies by Ace Records.
 Approximately eighty minutes of Allen’s recordings remain unreleased.
David (Gruber) Allen (born  1958 ) is an American television and film actor and comedian, who has been credited in many movies and television roles as Dave Gruber Allen and David Gruber Allen.
 Allen is known for his work on the 1990 TV series "Higgins Boys and Gruber" and playing guidance counselor Jeff Rosso on the Judd Apatow-produced comedy-drama "Freaks and Geeks".
 He also played Mr. Kwest on "Ned's Declassified School Survival Guide" and a town troubadour on "Gilmore Girls".
 Allen had a minor role as an "Electrocuted Ghost" known as "Sparky" in the 2016 film "Ghostbusters".
Paul Samuel Feig ( ; born September 17, 1962) is an American actor, film director, producer, and screenwriter.
 He is best known for directing the 2011 film "Bridesmaids", featuring Kristen Wiig and Melissa McCarthy and the 2016 film "Ghostbusters" also starring Wiig and McCarthy.
 Feig also directed the comedy films "The Heat" (2013) starring McCarthy and Sandra Bullock, and "Spy" (2015) which stars McCarthy, Jason Statham, and Jude Law.
Identity Thief is a 2013 American comedy film directed by Seth Gordon, written by Craig Mazin, and starring Jason Bateman and Melissa McCarthy.
 The film tells a story about a man (Bateman) whose identity is stolen by a woman (McCarthy).
Ghostbusters (also known as Ghostbusters: Answer the Call and marketed as such on home release) is a 2016 supernatural comedy film directed by Paul Feig and written by Feig and Katie Dippold.
 The film stars Melissa McCarthy, Kristen Wiig, Kate McKinnon, Leslie Jones, Neil Casey, Andy García, Cecily Strong, and Chris Hemsworth.
 It is the third feature film in the "Ghostbusters" franchise, and serves as a reboot of the series.
 The story focuses on four women who begin a ghost-catching business in New York City.
 It also marks the fourth collaboration between Feig and McCarthy.
The Happytime Murders is an upcoming American puppetry crime-comedy film directed by Brian Henson and written by Todd Berger with revisions by Erich & Jon Hoeber with further uncredited touch up work by Melissa McCarthy.
 The film stars McCarthy, Bill Barretta, Maya Rudolph, and Elizabeth Banks.
 It is scheduled to be released on August 17, 2018 by STXfilms.
Benjamin Scott Falcone (born August 25, 1973) is an American actor, comedian and filmmaker.
 He is married to actress Melissa McCarthy, with whom he has two children.
 He appeared in small roles of McCarthy's films "Bridesmaids", "Identity Thief", and "The Heat", and co-starred in "What to Expect When You're Expecting" and "Enough Said".
The Boss is a 2016 American comedy film directed by Ben Falcone and written by Falcone, Melissa McCarthy and Steve Mallory.
 The film stars McCarthy, Kristen Bell, Ella Anderson, Tyler Labine, Kathy Bates, Annie Mumolo, Timothy Simons and Peter Dinklage.
 The film was released on April 8, 2016, by Universal Pictures.
Spy is a 2015 American action comedy spy film written and directed by Paul Feig.
 Starring Melissa McCarthy, Jason Statham, Rose Byrne, Miranda Hart, Bobby Cannavale, Allison Janney, and Jude Law, the film follows the transformation of desk-bound CIA analyst Susan Cooper (McCarthy) into a field agent who attempts to foil the black market sale of a suitcase nuke.

Question: What film featured both Dave Allen and Melissa McCarthy?
Answer: Ghostbusters