Stanley Donen ( ; born April 13, 1924) is an American film director and choreographer whose most celebrated works are "Singin' in the Rain" and "On the Town", both of which he co-directed with actor and dancer Gene Kelly.
 His other noteworthy films include "Royal Wedding", "Seven Brides for Seven Brothers", "Funny Face", "Indiscreet", "Damn Yankees!
", "Charade", and "Two for the Road".
 He received an Honorary Academy Award in 1998 for his body of work and a Career Golden Lion from the Venice Film Festival in 2004.
 He was hailed by film critic David Quinlan as "the King of the Hollywood musicals".
 Donen married five times and had three children.
 His current long term partner is film director and comedian Elaine May.
Stanley Donen ( ; born April 13, 1924) is an American film director and choreographer, and occasionally worked in the American theater.
 He has directed 28 feature films and worked on various other films or television projects, often as a choreographer.
 He began his career in the chorus line on Broadway for director George Abbott, where he befriended Gene Kelly.
 Shortly afterwards he moved to Hollywood and collaborated with Kelly on numerous films as a chorographer until they became co-directors on his feature film debut "On the Town".
 In 1952 Donen and Kelly co-directed the musical "Singin' in the Rain", regarded as one of the greatest films ever made.
 He went on to direct hit films for several decades thereafter, many of which are currently regarded as classics.
 He has won numerous awards for his life's work, most notably an Honorary Academy Award in 1998 and a Career Golden Lion from the Venice Film Festival in 2004.
Maurice Binder (December 4, 1918 – April 9, 1991) was an American film title designer best known for his work on 14 James Bond films including the first, "Dr. No" (1962) and for Stanley Donen's films from 1958.
Joan Alexandra Molinsky (June 8, 1933 – September 4, 2014), widely known as Joan Rivers, was an American comedian, actress, writer, producer, and television host.
 She was noted for her often controversial comedic persona—alternatingly self-deprecating or sharply acerbic, especially toward celebrities and politicians.
Martin Starger (born May 8, 1932) is an American entertainment entrepreneur. )
He led ABC Entertainment (a wing of the American Broadcasting Company) during its boom period in the 1970s, pioneering the creation of television shows such as "ABC Movie of the Week", "Marcus Welby, M.D." and "Happy Days".
 He also pushed the limits of television broadcast presiding over pioneering miniseries and specials such as "Roots" and "Rich Man, Poor Man".
 He made his way into films as the executive producer of Robert Altman's 1975 film "Nashville" before becoming tied to the film production department of Lew Grade's ITC Entertainment starting with Stanley Donen's 1978 film "Movie Movie".
 Working with Grade, Starger became the president of Associated Film Distribution, the distributor of ITC's films which tied him to the production of films both successful ("Autumn Sonata", "The Muppet Movie", "On Golden Pond", "Sophie's Choice") as well as the bombs that destroyed the company ("Raise the Titanic!
", "Saturn 3").
 After the fall of AFD, Starger continued to produce films such as Peter Bogdanovich's 1985 film "Mask".
Love Letters is a 1999 American made-for-television drama film directed by Stanley Donen and based on the 1988 play by A. R. Gurney.
 Gurney adapted his own work for the telescript, dramatizing scenes and portraying characters that were merely described in the play.
 Donen had envisioned it to be a feature film, but a limited budget restricted him to make a TV movie and he shot the film in only 17 days.
 It is his last film as of 2016.
 "Love Letters" originally premiered on ABC on April 12, 1999.
The Late Show was an American late-night talk show and the first series broadcast on the then-new Fox Network.
 Originally hosted by comic actress Joan Rivers, it first aired on October 9, 1986, under the title The Late Show Starring Joan Rivers.
 It is also the first late-night show hosted by Arsenio Hall.
Joshua Donen is an American film producer.
 He is the son of Stanley Donen, director of such films as "Singin' in the Rain" and "Charade", and actress Marion Marshall.
The Joan Rivers Show is an American talk show hosted by comedian Joan Rivers that premiered on September 5, 1989 in broadcast syndication.
 The show aired for five seasons and ended on December 31, 1993.
 The show was nominated for numerous Emmy Awards, with Rivers winning the Daytime Emmy Award for Outstanding Talk Show Host in 1990.
 The series was produced by PGHM Productions, Joan Rivers's production company, and distributed by Tribune Entertainment.
Joan Rivers: A Piece of Work is a 2010 documentary film about the life and career of comedian Joan Rivers.
 It premiered at the San Francisco International Film Festival at the Castro Theatre on May 6, 2010.

Question: Who was in more films, Stanley Donen or Joan Rivers?
Answer: Stanley Donen