When Marla and Lucy share the back seat of a car, much of their dialogue is improvised.

Andrew Garfield was originally cast in a role but later dropped out. Justin Timberlake and Alden Ehrenreich were considered to replace him.

This was Warren Beatty's first acting role since Town & Country (2001) and his first time as director since Bulworth (1998).

Warren Beatty first pitched a Howard Hughes biopic as early as 1973. He continually tried to get a film involving Hughes off the ground every year or two since then. It could be said that it is a film forty years in the making.

Warren Beatty was 79 when he played Howard Hughes. The real Howard Hughes died at the age of 70.

This was Warren Beatty and Annette Benning's first film together since Love Affair (1994).

This was the only film directed by Warren Beatty to not receive any Oscar nominations.

Warren Beatty turned down an offer of $1 million to play Howard Hughes in the TV miniseries "The Amazing Howard Hughes" thus enabling Tommy Lee Jones to star as Howard Hughes. That was one of Tommy Lee Jones' early break out parts.

Alec Baldwin had a supporting role in The Aviator (2004), about the early years of Howard Hughes.

Rooney Mara and Felicity Jones both turned down the role that went to Lily Collins.

While in this film, Alec Baldwin plays Howard Hughes lawyer, in The Aviator (2004) he played Hughes rival, Juan Trippe.

One of eight films starring real-life couple Amy Madigan and 'Ed Harris (I)'. The other seven films are in Places in the Heart (1984), Alamo Bay (1985), Riders of the Purple Sage (1996) (TV), Pollock (2000), Just a Dream (2002), Winter Passing (2005) and Gone Baby Gone (2007)

Beatty had been working on a biopic based on Howard Hughes' life for more than 40 years, after seeing him in a hotel lobby in the early 1970s and being fascinated by him.

"Rules Don't Apply" is Ed Harris' second film about Howard Hughes. Early in his career he acted in "The Amazing Howard Hughes," with Tommy Lee Jones in the title role.

New Yorker Matthew Broderick lived at Warren Beatty's guest house throughout the California shoot.

On November 14, 2011, Felicity Jones was cast as the female lead, but later dropped out of the role, due to production delays.

Studio production took place at the Sunset Gower Studios in Hollywood. On location filming took place at multiple venues, including S. Grand Avenue, Musso & Frank Grill, and the Millennium Biltmore Hotel.

Features one of the most egregious age differences between a couple in movie history, with Warren Beatty being 52 years older than Lily Collins.

After the success of Dick Tracy, Beatty attempted to get his Howard Hughes biopic off the ground with Steven Spielberg directing. This ended over creative differences and Spielberg's desire to cast Jack Nicholson as Hughes.

Warren Beatty and Paul Sorvino also appeared in Reds (1981), Dick Tracy (1990) and Bulworth (1998) - all films directed by Beatty.

In April 2014, Brooklyn Decker revealed that Beatty had asked her to improvise on the film, but she did not know if her scenes would make the final cut.

The film cast includes one Oscar winner: Warren Beatty; and six Oscar nominees: Alec Baldwin, Amy Madigan, Ed Harris, Steve Coogan, Candice Bergen and Annette Bening.

The film takes place in 1958 and 1964.

It was reported that production had been completed on June 8, 2014, after 74 filming days. Additional filming took place in late February 2015.

Oliver Platt, Joshua Malina and Graham Beckel also appeared in Warren Beatty's Bulworth (1998).

Bo Goldman, who is credited with the story, also wrote another Howard Hughes film Melvin and Howard (1980).

The character Frank Forbes tells Howard Hughes he has never flown. Frank was played by Alden Ehrenreich, who would soon star as a young Han Solo from the "Star Wars" franchise, and is one of the most famous pilots in pop culture.

Principal photography for the film began on February 24, 2014 in Los Angeles, California.

The film which had a theatrical release in Australia has not had though a DVD release in Australia.

Martin Sheen and Alec Baldwin previously appeared in The Departed (2006).

Producer Steve Bing committed suicide in June 2020. This was his last completed feature and one of his biggest commercial failures.

Alec Baldwin and 'Ed Harris (I)' previously appeared in Glengarry Glen Ross (1992).

The film premieres on November 23, a day after leading man Alden Ehrenreich's birthday.

Martin Sheen and Candice Bergen previously appeared in Gandhi (1982).

The song used in the film's second trailer is called "Stardust" by Christoffer Franzén.

This is the second movie in which Lily Collins plays a character who gets pregnant after a one night stand. The first was Love, Rosie (2014).