Random Trivia For This Title:
- To prepare for the role of Nebula, Karen Gillan shaved her head.
- The casting of Howard the Duck was the idea of the film's editor [?] Fred Raskin. [?] Kevin Feige loved it - James Gunn recalled "he couldn't stop laughing every time he saw it, he was like, 'We're f****** crazy!"
- It took makeup artists 5 hours daily to do makeup and apply 18 prosthetic tattoo pieces onto Dave Bautista. Chris Pratt revealed that during the process, Bautista stood the entire time, with hands holding onto rails that had tennis balls on them with no complaints whatsoever. Eventually the process was narrowed down to an average of 3 hours, at one time just below the average, while 90 minutes were required to remove the makeup.
- Bradley Cooper cited Tommy DeVito (Joe Pesci's character in Goodfellas) as an influence on Rocket Racoon's voice.
- Benicio Del Toro's uncredited cameo as The Collector in Thor: The Dark World was written to set the stage for the film. He describes the character as "Liberace in outer space."
- Chris Pratt cites heroes Han Solo and Marty McFly as influences on his performance as Star-Lord.
- Director James Gunn has confirmed, via Twitter, that Peter Quill's ship in the film is named The Milano after Alyssa Milano, Peter Quill's childhood crush.
- When Vin Diesel started recording his lines for Groot, he was pleasantly surprised to find himself working with an old friend, [?] Doc Kane, the sound technician he'd worked with on The Iron Giant.
- Director James Gunn didn't want to see Chris Pratt auditioning. He was convinced later by his assistant, at the end of the auditions. After Pratt read for 30 seconds, Gunn stated that then he knew that Pratt was perfect for the role. He stated that Chris's audition was so good, that he was prepared to offer him the role even if Pratt did not lose weight and get in shape in time. Gunn joked that he was willing to CGI a six pack on Pratt's body. However, Pratt asked him to give him 6 months to lose 50 pounds and he ended up losing 60 pounds.
- Djimon Hounsou auditioned for the role of Drax and Lee Pace auditioned for Peter Quill/Star Lord. Both were later cast as the villains. Hounsou said that after he saw Dave Bautista and how ripped he was, he knew why he wasn't cast and admitted that Bautista was the perfect choice for the role.
- According to James Gunn, Star-Lord's obscene gesture was an improvisation by Chris Pratt.
- Zoe Saldana nearly broke Chris Pratt's ribs while filming a fight sequence. During training, Pratt and Saldana would wear protective gear so that they could actually hit each other. However, when the day came to film the actual scene, Pratt forgot to wear his protective gear and did not tell Saldana because he thought she would hold back if she knew. Saldana (under the impression that he was wearing the gear like he usually did) kicked him square in the ribs, which made Pratt fall to the ground. According to him, he had a bruise for the remainder of filming.
- According to Vin Diesel, his performance as Groot helped him through a dark time in his life; he was dealing with the loss of his best friend and "Fast and Furious" co-star [?] Paul Walker: "It was the first time I came back to dealing with human beings after dealing with death, so playing a character who celebrates life in the way Groot does was very nice."
- Drax's comment about Groot's ability to release "fireflies", "When did you learn to do that?" is an inside joke, as Groot has never shown this ability in the comic books.
- The soundtrack album "Awesome Mix, Vol. 1" reached number one on the US Billboard 200 chart, the first film soundtrack ever to reach number one without a single original song.
- Vin Diesel recorded all of his "I am Groot" lines in several different languages, including Russian, Mandarin, Spanish, Portuguese, German and French so that they could use his real voice in the film around the world. According to Vin Diesel, the voice of Groot, he recorded Groot's iconic line, "I am Groot," over 1,000 times.
- When Dave Bautista found out he got the role of Drax the Destroyer, he broke down in tears, overjoyed at getting a Marvel comic-book role. He immediately signed up for extra acting classes in order to prepare for the role.
- Josh Brolin is uncredited and in fact was the last person cast. He was offered the role while filming Everest (2015). He based the characterization of Thanos primarily on Marlon Brando's role of Kurtz in Apocalypse Now (1979).