Tom Cruise and Madonna were considered for the roles of Henry and Karen Hill. Fortunately, the producers decided to go in a different direction, sparing us from a musical number and Henry dangling off the side of an airplane or the Burj Khalifa. (Source)

The Lufthansa heist remained an unsolved mystery until 2014. Most of the members of the crew that were still alive were (A) super old and (B) super arrested. (Source)

Talk about keeping it all in the family: Goodfellas shares more than 20 actors with HBO's television hit The Sopranos, most notably Lorraine Bracco (Karen, Dr. Melfi) and Michael Imperioli (Spider, Christopher). (Source)

If Henry looks shocked when Paulie smacks him, it's because Ray Liotta really was. Paul Sorvino improvised the slap. How method! (Source)

Don't have a cow, man! In 2014, actor Frank Sivero, who played Frank Carbone—the guy who meets his demise in a frozen meat truck—sued The Simpsons for $250 million, claiming that the show ripped off his look for the Springfield mobster Louie. (Source)