Trivia: Jane Lynch plays Lucy Bobby, the mother of Ricky Bobby (Will Ferrell). In real life, Lynch is only seven years older than Ferrell.
Trivia: Although Adrian Brody was officially the star of "Hollywoodland," his character (private detective Louis Simo) was a completely fictional role in the movie. Virtually all of the other characters in the film are based on real people, but there never was a Louis Simo, and he's not based on any actual person (s). George Reeves' mother did hire an attorney and a detective agency in real life; however, "Hollywoodland" director Allen Coulter said that the character of Louis Simo wasn't even partially based on anyone in real life.
Trivia: Catherine Tate plays James McAvoy's mother in the movie, even though in real life she's only 11 years older than him.
Trivia: When Mattie sits in the bus just before her professor tries to put himself in its path, behind her is a bearded student, an extra. Repeated views of the films will find him a total of 3 times in 3 different scenes; first in the front school yard, and then in the bus, and one more time in a computer lab.
Trivia: Ted Dekker, author of the novel this movie was based on, liked to hide three scratches (like the book's cover) on set for crew and cast to find. Sometimes he hid the scratches on the on-screen set for the camera to catch and for the audience to find. How many can you find? I can find seven.
Trivia: Fans of the film Armageddon might notice the reuniting of Bruce Willis and Billy Bob Thornton - in that movie, Thornton works for NASA and Willis' character is a civilian who rises to the challenge to save Earth; in this film, Thornton wants to get into space as a civilian and this time Willis' character is part of the military.
Trivia: Laura Dern and Justin Theroux both admit they have no idea what this movie is about despite being its stars.