Tommy Lee Jones

Kay

Will Smith

Jay

Rip Torn

Zed

Lara Flynn Boyle

Serleena

Johnny Knoxville

Scrad / Charlie

Rosario Dawson

Laura Vasquez

Tony Shalhoub

Jeebs

Patrick Warburton

Agent Tee

Jack Kehler

Ben

David Cross

Newton

Colombe Jacobsen-Derstine

Hailey

Peter Spellos

Motorman

Michael Rivkin

Man with Dog

Michael Bailey Smith

Creepy

Lenny Venito

New York Guy

Howard Spiegel

New York Guy

Alpheus Merchant

MIB Guard

Jay Johnston

Agent

Joel McKinnon Miller

Agent

Derek Cecil

Repairman Agent

Sean Rouse

MIB Agent

Peter Spruyt

MIB Customs Agent

Kevin Cotteleer

MIB Customs Agent

Marty Belafsky

MIB Customs Agent

Rick Baker

MIB Passport Control Agent

Martha Stewart

Martha Stewart

Michael Jackson

Agent M

Sid Hillman

Agent Gee

Tom Whitenight

Agent C

Nick Cannon

MIB Autopsy Agent

Andre Blair

Central Park Agent

Jeremy Howard

Bird Guy Alien / Postal Sorting Alien

Mary Stein

Bird Lady Alien

Martin Klebba

Family Child Alien

John Alexander

Jarra / Family Dad Alien

Denise Cheshire

Family Mom / Locker Alien

Ernie Grunwald

Young Postal Employee

Chloe Sonnenfeld

Young Girl at Post Office

John Andrew Berton Jr.

Split Alien Guy

William E. Jackson

Eye Guy

Doug Jones

Joey

Biz Markie

Rapping Alien

Peter Graves

Peter Graves

Linda Kim

Ambassador Lauranna

Paige Brooks

"Mysteries in History" Lauranna

Stephanie Kemp

Neuralyzed Mother

Barry Sonnenfeld

Neuralyzed Father

Victoria Jones

Neuralyzed Daughter

Michael Garvey

Corn Face

Michael Dahlen

Flesh Balls

Kevin Grevioux

Pineal Eye

Derek Mears

Mosh Tendrils

Sonny Tipton

Dog Poop

John Richardson

Postman

Philip Goodwin

Diner Guy

Tim Blaney

Frank the Pug (voice)

Greg Ballora

Sleeble (voice)

Carl J. Johnson

Gleeble (voice)

Thom Fountain

Neeble (voice)

Brad Abrell

Mannix (voice)

Richard Pearson

Gordy (voice)

Rick Avery

Subway Passenger (uncredited)

John D. Bair

Alien Attack Victim (uncredited)

Michael Beardsley

Suspicious Video Store Patron (uncredited)

Michael Buonomo

College Student (uncredited)

Kristin Charney

Family Mom (uncredited)

Patrick Coleman Duncan

'History's Mysteries' Alien (uncredited)

Darrell Foster

MIB Autopsy Agent (uncredited)

Ned Gorman

Cockroach on Sidewalk (voice) (uncredited)

Gene LeBell

Subway Passenger (uncredited)

Pete Macnamara

Man in Black (uncredited)

Drew Massey

Worm Guy (uncredited)

Matthew McGrory

Tall Alien (uncredited)

Christopher Metas

Alien Accountant (uncredited)

Bart Mixon

Alien Puppeteer (uncredited)

Alexandra O'Hara

Diner Waitress (uncredited)

David Patykewich

Bald Kid Alien (uncredited)

Martin Pfefferkorn

Homeless Alien Collaborater (uncredited)

David C. Roehm Sr.

Alien (uncredited)

Leo Rogstad

New Yorker on His Cell (uncredited)

Thomas Rosales Jr.

Subway Passenger (uncredited)

Brandee Sanders

Subway Business Woman (uncredited)

Hannah Sim

Head-Bobbing Alien (uncredited)

Peter Siragusa

Mayor of Grand Central Terminal Locker Aliens (voice) (uncredited)

Daniel Browning Smith

Aquarium Boy (uncredited)

Brian Steele

Sharkmouth (uncredited)

Mark Steger

Quadraped Alien (uncredited)

Alan Tuskes

Lobsterhead Alien (uncredited)

Shannon Watson

70's MIB Agent (uncredited)

Bo Welch

Astronaut (uncredited)