Title: Jeff Katz
Content:  Jeff Katz is an American film producer and comic book author.
Title: Stanley R. Jaffe
Content:  He was producer for all films unless otherwise noted.
Title: Jeff Panzer
Content: For the American ice hockey player, see Jeff Panzer (ice hockey). Jeff Panzer is a music producer, music video producer and record label executive. He has produced over 2,000 music videos in his career and has worked with The Rolling Stones, John Mellencamp, Paul McCartney, Alabama, John Secada, Lil Wayne, Godsmack, Wilson Phillips, Smokey Robinson, Stevie Wonder, Erykah Badu, The Grateful Dead, Nelly, The Moody Blues, Billy Idol, 98 Degrees, Brian McKnight, 3 Doors Down and many others.
Title: Jeff Jenkins
Content:  Jeff Jenkins is an American producer known for his work in reality television. He is best known for producing The Simple Life, Total Divas, and Keeping Up with the Kardashians and its spinoffs.
Title: Tom Jeffrey
Content:  Tom Morven Jeffrey (born 26 September 1938) is an Australian film and television producer and director. He worked at the ABC and BBC, becoming an ABC drama director in the late 1960s. In 1971 he became head of the Producers and Directors Guild of Australia. He was also a consultant on the Experimental Film Fund and on the Film, Radio and Television Board of the Australian Council for the Arts. From the early 1980s he stopped directing and concentrated on producing. Jeffrey was made a Member of the Order of Australia in the 1981 Australia Day Honours.
Title: Robert Jaffe (producer)
Content:  Robert Jaffe (born in New York City) is an American film producer, actor, and screenwriter. He is known for his work on Motel Hell (1980), Nightflyers (1987), Nightflyers (2018), and more. He also appeared in the films Fuzz (1972), The Magnificent Seven Ride! (1972), and Creature (1985).
Title: Charles H. Joffe
Content:  Charles H. Joffe (July 16, 1929 – July 9, 2008) was an American film producer and comedy talent manager. He is best known as, in partnership with Jack Rollins, the producer or executive producer of most of Woody Allen's films. Joffe won the 1977 Academy Award for Best Picture as producer of Allen's Annie Hall. Annie Hall was listed as "A Jack Rollins and Charles H. Joffe Production", though only Joffe took producer credit and received the Academy Award for Best Picture. Both were Allen's longtime managers and had that credit on all his films from 1969 to 1993. Joffe focused more on Allen, with Rollins focusing on others. Their clients also included Robert Klein and David Letterman.
Title: Jeff
Content: Jeff Alexander (1910–1989), American conductor, arranger, and composer of film, radio, and television scores ; Jeff Anderson, American actor ; Jeff Bennett, American voice actor and singer ; Jeff Bergman, American voice actor ; Jeff Bollow, American writer and director ; Jeff Brazier (born 1979), English television presenter and reality TV personality ; Jeff Bridges, American actor ; Jeff Chandler (1918–1961), American film actor ; Jeff Cohen (actor), American attorney and former child actor who appeared as Chunk in the 1985 movie The Goonies ; Jeff Conaway (1950–2011), American actor ; Jeff Coopwood, American actor, singer, broadcaster and educator ; Jeff Corey (1914–2002), American stage and screen actor and director ; Jeff Corwin, American animal and nature conservationist, host of The Jeff Corwin Experience and Corwin's Quest ; Jeff Daniels, American actor ; Jeff B. Davis, American actor, comedian 
Title: Jeff Schaffer
Content:  Jeff Schaffer (born January 1, 1970) is an American film and television director, writer, and producer.
Title: Michael Jaffe
Content:  Michael Jaffe is credited as executive producer unless noted.

Question: Who was the producer of Jeff?
Answer: Alain Delon.
Alain Fabien Maurice Marcel Delon.