Will Smith character Agent J
Tommy Lee Jones character Agent K
Josh Brolin character Young Agent K
Jemaine Clement character Boris The Animal
Emma Thompson character Agent O
Michael Stuhlbarg character Griffin
Mike Colter character Colonel
Nicole Scherzinger character Boris's Girlfriend
Michael Chernus character Jeffrey Price
Alice Eve character Young Agent O
David Rasche character Agent X
Keone Young character Mr. Wu
Bill Hader character Andy Warhol
Cayen Martin character Colonel's Son
Clarke Thorell character Prison Guard #1
Adam Mucci character Prison Guard #2
Tom McComas character Prison Guard #3
Douglas Crosby character Prison Guard #4
Woodie King Jr. character 2012 MIB HQ Guard
Jack O'Connell character 1969 MIB HQ Guard
Tobias Segal character 1969 MIB Agent #1
Jon Shaver character 1969 MIB Agent #2
Gerritt Vandermeer character 1969 MIB Agent #3
Alexandra O'Hara character Mom
Violet O'Hara character Little Chocolate Milk Girl
Valence Thomas character Coney Island Hippie
Chloe Sonnenfeld character Coney Island Flower Child
Lanny Flaherty character Obadiah Price
Jonathan O'Hara character MIB Desk Agent
Rick Baker character Brain Alien
Joseph D'Onofrio character New York Mets Fan #1
Joseph R. Gannascoli character New York Mets Fan #2
Katy Frame character Diner Waitress
Kevin Townley character Funky 60's Dude
Stephen Brian Jones character Guru
Tyler Johnson character Muscle Boy at Happening
Kati Rediger character Muscle Boy's Girlfriend at Happening
Victor Joel Ortiz character Air Force MP #1
Charlie Barnett character Air Force MP #2
Ian Blackman character Car Theft Victim
Jeremy Beiler character Hotel Doorman
Liliane Klein character Screaming Lady on Ferris Wheel
Britt Chandler Johnson character Detained Teenage Alien
Jared Johnston character Neil Armstrong
Ken Arnold character Buzz Aldrin
Jonathan Drew character Michael Collins
Joel Brady character 1969 Man in Elevator
David Pittu character Roman The Fabulist
Lenny Venito character Bowling Ball Head
Anthony J. Gallo character Four-Armed Alien
James Martin Kelly character 1969 NYPD Cop #1
Will McLaughlin character 1969 NYPD Cop #2
Kimmy Suzuki character Mr. Wu's Bartender
Kirk Larsen character Dead Zed
Javier Rivera character Transvestite at Happening
Barry Sonnenfeld character Husband Watching Launch
Susan Ringo character Wife Watching Launch
Stephanie Ellis character Young Wife #1 Watching Launch
Ben Mac Brown character Young Husband #1 Watching Launch
Amy Erwitt character Young Wife #2 Watching Launch
Brad Abrell character Worm (voice)
Tim Blaney character Worm (voice)
Thom Fountain character Worm (voice)
Carl J. Johnson character Worm (voice)
Will Arnett character Agent AA (uncredited)
Jada Pinkett Smith character Party Guest (uncredited)
Tony Shalhoub character 1969 Newsstand Vendor (uncredited)
