The story follows American astronaut , who lands on a distant planet thinking he has discovered a barren world. Instead, he finds a society that resembles 1950s suburban America , inhabited by "little green people" who live in constant fear of an alien invasion—ironically making Chuck the "alien". He eventually befriends a local teenager named Lem to help him evade the military and return to his ship. Main Cast & Characters Planet 51 (2009) - IMDb
One of the most notable aspects of Planet 51 is its ensemble of high-profile voice actors. The production assembled an impressive cast of Hollywood stars, including:
As the duo evades capture, they uncover a dark secret: The planet’s ruler, Professor Kipple (John Cleese), has been brainwashing soldiers, preparing them for an inevitable alien arrival. In the end, Lem must find his courage to save Chuck, proving that what makes us different isn't something to fear. Planet 51
The film remains a notable example of Spanish cinema's ability to compete with major Hollywood studios, utilizing a transnational focus and high production values to reach a global audience. An Age of Splendour for Contemporary Spanish Animation
So, the next time you’re searching for a family movie that offers more than the usual formula, set your coordinates for . Just remember: when you land, don’t step on the lawn, avoid the ray-gun-wielding police force, and for goodness’ sake, don’t mention brain dissection. It’s a sensitive topic. The story follows American astronaut , who lands
: A robotic probe reminiscent of a pet dog, providing much of the film's physical comedy and heart. Legacy and Media
The score by James Seymour Brett perfectly mimics the sweeping, theremin-heavy orchestration of classic sci-fi movies like Forbidden Planet , adding a layer of authenticity to the parody. Main Cast & Characters Planet 51 (2009) -
The film opened on , in the United States, debuting in 3,035 theaters. It grossed $12.6 million in its opening weekend, landing in the #4 spot behind heavy hitters like The Twilight Saga: New Moon and 2012 . By the end of its run, Planet 51 had earned a respectable $105.6 million worldwide against its $70 million budget, making it a mild commercial success. Its performance was far stronger internationally, where it grossed 60% of its total haul.
Why does still resonate today?
The animation, while not Pixar-smooth, holds up reasonably well. The character designs, especially the wide, expressionless faces of the Planet 51 citizens, are a stylistic choice that may feel flat to some but adds to the sterile, Stepford Wives-esque humor of their society. The action sequences—particularly a chase through a lunar-esque museum and a climactic battle at a power plant—are kinetic and colorful.
The planet's local residents are little green humanoids who live in absolute terror of an "alien invasion". Paralyzed by fear, Chuck flees and relies on a kind local teenager named (voiced by Justin Long) to help him hide. Lem, an assistant at the local planetarium, must risk his job and his social standing to help Chuck bypass a paranoid military regime and return to his orbiting command module before it departs forever. 🎨 Setting and Aesthetics: The Nostalgic 1950s