Jason Mewes
Jay

Kevin Smith
Silent Bob

Ben Affleck
Holden McNeil / Ben Affleck

Shannon Elizabeth
Justice

Eliza Dushku
Sissy

Ali Larter
Chrissy

Jennifer Schwalbach Smith
Missy

Will Ferrell
Federal Wildlife Marshal Willenholly

Chris Rock
Chaka Luther King

Jason Lee
Brodie Bruce / Banky Edwards

Brian O'Halloran
Dante Hicks

Jeff Anderson
Randal Graves

Judd Nelson
Sheriff

George Carlin
Hitchhiker

Carrie Fisher
Nun

Seann William Scott
Brent

Matt Damon
Matt Damon / Will Hunting

Jon Stewart
Reg Hartner

Jules Asner
Jules Asner

Steve Kmetko
Steve Kmetko

Tracy Morgan
Pumpkin Escobar

Gus Van Sant
Gus Van Sant

Jamie Kennedy
Chaka's Production Assistant

Wes Craven
Wes Craven

Shannen Doherty
Shannen Doherty

Mark Hamill
Cocknocker

Amy Noble
Silent Bob's Mother

Harley Quinn Smith
Baby Silent Bob

Ever Carradine
Jay's Mother

Jake Richardson
Teen #1

Ernest O'Donnell
Cop

Marc Blucas
The Guy

Matthew James
The Dude

Jane Silvia
Bookish Girl

Eric Winzenried
Cop #1

Joe Quesada
Pizza Delivery Guy

Diedrich Bader
Miramax Security Guard Gordon

Scott Mosier
GWH2 Assistant Director / Willam Black

Joseph D. Reitman
Bluntman & Chronic Assistant Director

Paul Dini
Bluntman & Chronic Clapper Loader

Bryan Johnson
Steve-Dave Pulasti

Walt Flanagan
Walt Grover the Fanboy

Renée Humphrey
Tricia Jones

Joey Lauren Adams
Alyssa Jones

Dwight Ewell
Hooper

Alanis Morissette
That Woman (God)

Morris Day
Morris Day

Jerome Benton
The Time

Jason Biggs
Jason Biggs (uncredited)

Greg Bronson
Bus Passenger (uncredited)

William B. Davis
Cigarette Smoking Man (uncredited)

Alice Dinnean
Pretty Blonde Comic Book Shopper (uncredited)

Mark Steven Johnson
Movie Director (uncredited)

Brian Lynch
Comic Book Shopper #1 (uncredited)

David Mandel
Extra (uncredited)

John Strand
Miramax Security Guard #2 (uncredited)

James Van Der Beek
James Van Der Beek (uncredited)

Scott William Winters
Clark / Scott William Winters (uncredited)