Skiff (played by Seann William Scott) is a protagonist in Planet 51.
Lem's eccentric best friend and sci-fi aficionado who harbors conspiracy theories about Base 9. He assists in hiding Chuck at a comic book store, helps orchestrate the rescue mission, and ultimately bonds with Rover after Chuck's departure. Neera (played by Jessica Biel) appears in Planet 51.
Lem's neighbor and romantic interest who initially disapproves of his chaotic actions but later believes the alien is friendly. She participates in the rescue mission and successfully goes on a date with Lem by the film's conclusion. Lem / Rover (played by Justin Long) appears in Planet 51.
Teenage alien planetarium worker who befriends crash-landed astronaut Chuck. He helps hide him, loses his job, leads a rescue mission to Base 9, accidentally triggers a countdown, but ultimately helps Chuck escape and earns a date with Neera. General Grawl (played by Gary Oldman) appears in Planet 51.
Paranoiac army commander who hunts Chuck as an alien invader bent on zombification. He captures the astronaut, plans brain surgery, rigs an underground base to explode, gets trapped under debris, and is later saved by Chuck, ending the film with a newfound sense of gratitude. Professor Kipple (played by John Cleese) appears in Planet 51.
Alien scientist and Grawl's right-hand man tasked with performing brain surgery on Chuck. He mistakenly identifies Lem as a mind-controlled zombie minion and ultimately suffers the same fate when his own patients subject him to the surgery he intended.
Planet 51 (2009) character relationship network mapped with AI analysis. Explore the connections, alliances, and conflicts between characters.
Characters
Skiff
(played by Seann William Scott) — protagonist
Lem's eccentric best friend and sci-fi aficionado who harbors conspiracy theories about Base 9. He assists in hiding Chuck at a comic book store, helps orchestrate the rescue mission, and ultimately b...
Neera
(played by Jessica Biel) — supporting
Lem's neighbor and romantic interest who initially disapproves of his chaotic actions but later believes the alien is friendly. She participates in the rescue mission and successfully goes on a date w...
Lem / Rover
(played by Justin Long) — supporting
Teenage alien planetarium worker who befriends crash-landed astronaut Chuck. He helps hide him, loses his job, leads a rescue mission to Base 9, accidentally triggers a countdown, but ultimately helps...
General Grawl
(played by Gary Oldman) — supporting
Paranoiac army commander who hunts Chuck as an alien invader bent on zombification. He captures the astronaut, plans brain surgery, rigs an underground base to explode, gets trapped under debris, and...
Professor Kipple
(played by John Cleese) — supporting
Alien scientist and Grawl's right-hand man tasked with performing brain surgery on Chuck. He mistakenly identifies Lem as a mind-controlled zombie minion and ultimately suffers the same fate when his...
Key Relationships
General Grawl → Professor Kipple
(Professional Commander Subordinate)
Neera → Professor Kipple
(Unknown Civilian Scientist)
Neera → General Grawl
(Power Civilian Commander)
Skiff → Lem / Rover
(Alliance Companion)
Skiff → General Grawl
(Conflict Fugitive)
Skiff → Neera
(Alliance Allies)
Lem / Rover → Professor Kipple
(Conflict Suspect)
Lem / Rover → General Grawl
(Conflict Target)
Lem / Rover → Neera
(Romantic Crush)
Lem / Rover → Skiff
(Social Best Friends)
Story Analysis
A stranded astronaut must evade a paranoid military while allies help him escape a hostile alien world.
