Who produced the film with which Andy Muschietti was best known for directing? 
Zandy Federico
Mama (2013 film)
Mama is a 2013 English-language Spanish supernatural drama horror film directed and co-written by Andy Muschietti and based on his 2008 Argentine short film "Mamá".
 The film stars Jessica Chastain and Nikolaj Coster-Waldau, and is produced by Zandy Federico and co-writer Barbara Muschietti, with Guillermo del Toro serving as executive producer.
Andy Muschietti
Andrés Muschietti (] ;; born 26 August 1973), usually credited as Andy Muschietti, is an Argentine film director and screenwriter, best known for directing the 2013 horror film "Mama" and the 2017 adaptation of Stephen King's "It".
Charles Crichton
Charles Ainslie Crichton (6 August 1910 – 14 September 1999) was an English film director and editor.
 Born in Wallasey, Cheshire, he became best known for directing many comedies produced at Ealing Studios and had a 40-year career editing and directing many films and television programmes.
 For the acclaimed comedy "A Fish Called Wanda" (1988), Crichton was nominated for both the Academy Award for Best Director and the Academy Award for Best Original Screenplay (along with the film's star John Cleese). A. C. Tirulokchandar
During the making of the film Manthiri Kumari in 1950, A.C.Trilogchander was working as a junior assistant on the sets and during the shooting of this film became a close friend of M.G.Ramachandran.
 Producer A.V. Meiyappan noticed his talent and gave A.C.Trilochander his break as the director in 1962 film Veerathirumagan.
 With the success of his debut film, he got one more film to direct under AVM banner which was bilingual made simultaneously as "Main Bhi Ladki Hoon" in Hindi and as "Nannum Oru Penn" in Tamil.
 The latter won the National Film Award for Best Feature Film in Tamil at 11th National Film Awards and also won Filmfare Award for Best film.
 With this he became a permanent fixture as director with AVM films.
 He became like the fifth son of Mr. A. V. Meiyapan and became close friend of A. V. M. Saravanan.
 Trilogchander directed the fiftieth film produced by AVM banner - Anbe Vaa, a romantic comedy film, in 1966 with M.G.Ramachandran in the lead.He directed for the film produced by K. Balaji - Thangai in 1967.
 He was not only adept at directing social dramas like "Babu" (1971) with Sivaji Ganesan in the lead, "Ramu" (1966) with Gemini Ganesan as the hero but also romantic dramas such as Iru Malargal and Anbalippu as well as the romantic comedies Anbe Vaa and Anbe Aaruyire.
 He was given the task of directing the first bilingual suspense thriller film from AVM banner in 1967 which was Ave Kallu in Telugu and Adhey Kangal in Tamil.
 He directed the pair Sivaji Ganeshan and Jayalalitha in 5 films - Deiva Magan, Dharmam Engey, Engirundho Vandhaal, Enga Mama, Avanthan Manidhan.
 He directed Rajesh Khanna in "Babu" in 1985 which became a hit.
 His other acclaimed Tamil films include "Thirudan", "Aval", "Dheerga Sumangali", "Vasandatil Oru Naal", "Bhadrakali", "Anbe Aaruyire" and "Bharata Vilas".
 He was known to co-ordinate the colour schemes of the actors' outfits with the sets designed for the film. Jon Gustafsson
Jon Gustafsson is an Iceland born film director.
 The Icelandic spelling of his name is Jón Gústafsson.
 Best known for directing the Canadian documentary film Wrath of Gods, starring Gerard Butler, Wendy Ord, Sarah Polley, Paul Stephens and Sturla Gunnarsson.
 He grew up in Iceland where he started his career as a television performer before studying filmmaking at Manchester Polytechnic and directing for film and theatre at CalArts where he was mentored by the legendary Ealing Studios director Alexander Mackendrick.
 Wrath of Gods was his second documentary for CBC Newsworld, the first one was The Importance of Being Icelandic.
 He immigrated to Canada where he directed the low-budget feature film Kanadiana and the music video Brighter Hell for the Canadian rock band The Watchmen.
 In 2011 Jon Gustafsson produced the award winning short film In A Heartbeat, directed by Karolina Lewicka, through his production company Artio Films. Andy Goddard
Andy Goddard (born 1968) is a British director and screenwriter, best known for writing and directing his feature debut "Set Fire to the Stars" (2014), and directing multiple episodes of ITV's period drama series "Downton Abbey". Spencer Williams (actor)
Spencer Williams (July 14, 1893 – December 13, 1969) was an American actor and filmmaker.
 He was best known for playing Andy in the "Amos 'n Andy" television show and for directing the 1941 race film "The Blood of Jesus."
 Williams was a pioneer African-American film producer and director. Tim Erem
Timothy Frey Trond Erem, better known as Tim Erem, (born 29 October 1990) is a Swedish director from Lidingö, Stockholm.
 He is best known for directing and writing music videos for artists such as Rihanna, Drake, Tove Lo, Elliphant, Katy Perry, MØ and Major Lazer.
 Erem's music video for "Lean On", by Major Lazer and MØ, is the eighth most viewed video on YouTube.
 Erem is a part of the production company Diktator, which includes other reputable directors such as Daniel Espinosa and Andy Milonakis.
 He has directed the short film "Fairy Dust" where Swedish artist Tove Lo masturbates.
 The video he directed for "Work" by Rihanna and Drake was nominated for Best Female Video at the MTV Video Music Awards. Barbara Muschietti
Bárbara Muschietti (] ;;) is an Argentine film producer and screenwriter, best known for producing the 2013 horror film "Mama" and the 2017 adaptation of Stephen King's "It". Manav Bhinder
Manav Bhinder is an Indian filmmaker, screenwriter, actor and assistant director, best known for writing and directing short films like Dor (Special Festival Mention at Dada Saheb Phalke Film Festival 2014 and acting debut of Parineeti Chopra), Phir Ek Baar (Official Selection at Dada Saheb Phalke Film Festival 2014), Pursuit of Love (Winner – DNA Short Cuts, Short Film Festival 2015) and Ankahee Baatein, (Official Selection at Cannes Film Festival 2016 - Short Film Corner) starring Avika Gor, Barkha Bisht and Manish Raisinghan.
 His upcoming films include a short film titled "Ek Khoobsurat Ittefaq", starring Shashank Vyas and Adaa Khan, and produced by Priyanka Chopra.
 Apart from writing an directing short films, he has worked on a number of film projects as an Assistant Director and occasionally, as an actor.