Title: Aaron Ryder
Content:  He was a producer in all films unless otherwise noted.
Title: Robert Connolly
Content:  Arenafilm was first incorporated in 1987 by film producer John Maynard and produced The Navigator: A Medieval Odyssey (1988) and  Jane Campion's film s Sweetie (1989) and An Angel at My Table (1990) (with Maynard's partner Bridget Ikin). The company went on to produce The Boys (1998) and several other of Connolly's films, including Balibo. Its history is not clear, but Connolly and Maynard became directors of the company during the 2000s. Connolly relocated to set up the Arenafilm Melbourne office in late 2006 (including Arenamedia) and subsidiary companies. Footprint Films is the film distribution company owned by Arenafilm. Maynard had earlier had a production company called Footstep 
Title: Anne Carey
Content:  She was producer for all films unless otherwise noted.
Title: Highly Prized Possession
Content: Producer: Brian Ahern for Happy Sack Productions Ltd. ; Executive Producer: Paul White ; Arranger: Brian Ahern 
Title: Ulrik Bolt Jørgensen
Content:  Ulrik Bolt Jørgensen (born 1964) is a Danish film and television producer, and since 1992 founder and CEO of Arena Film (DK). From 2003–2016 he served as Film Commissioner of Copenhagen and was one of the driving forces behind the establishment of the Copenhagen Film Fund. Bolt Jørgensen is developing and producing international TV-series with a strong Scandinavian spine, as well as feature films. As a film commissioner, Bolt Jørgensen was involved in Tom Hooper's The Danish Girl, and Wallander, starring Kenneth Branagh.
Title: Arthur L. Annecharico
Content:  Arthur L. Annecharico is a producer, director and writer, whose involvement in the entertainment industry has spanned more than 32 years. His own company The Arthur Company, had a multimillion-dollar partnership with MCA TV for development of new productions across the board in film and television, with more than $40,000,000 in on-the-air commitments in the late 1980s and early 1990s.
Title: Aaron Godfred
Content:  Aaron Godfred is a film, television and digital producer. He was the SVP of development at VENN.tv a television network for gamers, streamers and esports fans. At VENN Aaron oversaw gaming and esports shows including Dare Package, The Sushi Dragon Show with Sushi Dragon, Grey Area, Looking for Gains, Origin Stories, Facecheck and more. Prior to VENN, Aaron was the Director of Gaming and Public Figures at Fullscreen, a WarnerMedia company, and led the content department at Omaze, a leading fundraising company offering once-in-a-lifetime experiences with celebrities, athletes, musicians and more where he produced award winning digital content. Aaron spent the first decade of his career as a producer and creative working for Morgan Freeman’s Revelations Entertainment, Marvel, Endeavor, M3 Creative and many others. He also produced cult classic independent film John Dies At The End.
Title: Arlene Sellers
Content:  She was a producer in all films unless otherwise noted.
Title: Joan of Arcadia
Content: Barbara Hall, Executive Producer ; Jim Hayman, Executive Producer ; Stephen Nathan, Executive Producer ; Hart Hanson, Consulting Producer ; Peter Schindler, Co-Executive Producer ; Randy Anderson, Co-Executive Producer 
Title: Ulrik Bolt Jørgensen
Content:  Ulrik Bolt Jørgensen graduated from the National Film School of Denmark as a Creative Producer in 1991 and established his own production company 'Arena' in 1992, from where he produced film with director Lars Hesselholdt a.o. He later created the company 'Angel Arena' together with IT entrepreneur Mogens Glad, aimed at developing, producing and distributing major Scandinavian films and TV series, such as Misery Harbour (1999) starring Nikolaj Coster-Waldau and Leïla (2001) by director Gabriel Axel. In 2003, Ulrik Bolt Jørgensen was serving the organization Copenhagen Capacity as the head of the Film Commission in Copenhagen, aimed at attracting foreign film and television series to the Greater Copenhagen area. While being Film Commissioner, Bolt Jørgensen was involved in the movie The Danish Girl (2015), and the television series Wallander (2008–2016) starring Kenneth Branagh and Midsomer Murders (1997–present), which shot their 100th episode in Copenhagen. Additionally, during his time as Film Commissioner, Bolt Jørgensen was a part of the establishment of the Copenhagen Film Fund. In 2016, Ulrik Bolt Jørgensen re-established his production company Arena Film ApS situated in the Greater Copenhagen area, focusing on bringing Scandinavian stories to a global market.

Question: Who was the producer of The Arena?
Answer: Roger Corman.
Roger William Corman.