One of the inkblots that appears during Rorschach's examination, which he perceives to be two lovers (but which he describes as "some nice flowers"), appears twice during his final confrontation with Dr. Manhattan: on his mask, and in the blood pattern on the snow.
In the graphic novel, it is implied that Captain Metropolis and Hooded Justice are a gay couple. There are also several hints questioning the sexual orientation of Adrian Veidt. While the sexuality of the first two is not addressed in the movie, Adrian's sexual orientation is hinted at twice. The first time in during the opening montage when Adrian is in front of Studio 54 (a popular disco club in the The Village People, whose sexuality was ambiguous and are seen as gay icons. The second time is when Night Owl II is on Adrian's computer, a folder on the floppy disc he opens in entitled "Boys".
Zack Snyder cast Matt Frewer after working with him on Dawn of the Dead (2004) and Stephen McHattie after working with him on 300 (2006).
A line said by Rorschach, referring to a pagliacci visiting a doctor, is a line taken by a poem from Mexican writer Juan de Dios Peza Reir Llorando, based on famous English comedian David Garrick.
The clip the Comedian watches on TV is a remake/homage of the famous "Share the Fantasy" Chanel No. 5 ad directed by Ridley Scott, the actual commercial does not contain the song 'Unforgettable' on its soundtrack.
WILHELM SCREAM: During the prison riot, 2 inmates are holding another inmate by his legs and then drop over the handrail.
All of the U.S. flags in the film have 51 stars, because in the film's alternate history, Vietnam became the 51st state after America won the Vietnam War.
During the scene in which Dan and Laurie are having dinner you can hear someone in the background say "I'm glad I ordered the four-legged chicken!" In the corresponding scene in the original graphic novel, there is an image of a waiter carrying a four-legged chicken.
Jeffrey Dean Morgan plays Edward Morgan Blake, the Comedian. Morgan initially turned down the role after reading the first 3 pages of the script, assuming the character was only a cameo. His agent persuaded him to read the entire script and then make a decision.
The first trailer for the film, which premiered with The Dark Knight (2008) sparked so much interest that it sent the graphic novel back onto the bestseller list. Barnes and Noble Bookstores reported selling out of the novel nationwide.
The pistols used by the Comedian are D&L; Sports "Professional Model" .45 longslides, and are actual firearms, not prop pieces.
If you looks closely during the opening credits sequence when Silk Spectre is having her photo taken with the police, you can see the Police Chief slyly trying to look down her blouse. Watch him turn his head and grin.
The trailer features the song "The Beginning is the End is the Beginning" by Smashing Pumpkins, which was originally a B-Side for the single "The End is the Beginning is the End", the theme from Joel Schumacher's Batman & Robin (1997).
Premiered in more theaters (3,611) than any other R-rated movie. Scored the biggest debut of 2009 with a $55.7 mil weekend gross, in March of the same year, until Monsters vs Aliens (2009) opened a few weeks later.
Moloch has a copy of Allen Ginsberg's "Howl" on his bedside table. In this poem the word "moloch" appears several times.
The Night Owl costume was redesigned specifically to appear more sinister than it had done in the Graphic Novel, even drawing some inspiration from recent designs of the Batman costume. Batman was originally the character of whom Night Owl was a loosely based parody.
Having had unfortunate disagreements with film studios over the diections of movies based on his works, Alan Moore, writer of the original Watchmen graphic novel, refused to watch the movie. He allowed original artist of Watchmen, Dave Gibbons, to take all the royalties from the movie and refused to allow his name to be included in the films credits. He later claimed that he was not condemning the movie outright, rather suggesting that if he doesn't watch the movie he'll be indifferent to it, a stance he preferred to undergoing the torment of seeing another of his works altered beyond his control.
The famous 'squid' ending from the comic-book was discarded very early on in development, in favour of an equally sinister albeit more believable climax.
Director Zack Snyder insisted on everybody involved in the making of the movie reading the graphic novel at least once, even going so far as to constantly carry a copy around with his script and use it as a storyboard.