Jason Mewes as Jay

Kevin Smith as Silent Bob

Ben Affleck as Holden McNeil / Ben Affleck

Shannon Elizabeth as Justice

Eliza Dushku as Sissy

Ali Larter as Chrissy

Jennifer Schwalbach Smith as Missy

Will Ferrell as Federal Wildlife Marshal Willenholly

Chris Rock as Chaka Luther King

Jason Lee as Brodie Bruce / Banky Edwards

Brian O'Halloran as Dante Hicks

Jeff Anderson as Randal Graves

Judd Nelson as Sheriff

George Carlin as Hitchhiker

Carrie Fisher as Nun

Seann William Scott as Brent

Matt Damon as Matt Damon / Will Hunting

Jon Stewart as Reg Hartner

Jules Asner as Jules Asner

Steve Kmetko as Steve Kmetko

Tracy Morgan as Pumpkin Escobar

Gus Van Sant as Gus Van Sant

Jamie Kennedy as Chaka's Production Assistant

Wes Craven as Wes Craven

Shannen Doherty as Shannen Doherty

Mark Hamill as Cocknocker

Amy Noble as Silent Bob's Mother

Harley Quinn Smith as Baby Silent Bob

Ever Carradine as Jay's Mother

Brian Andrew Saible as Baby Jay

Gavin Brooks as Baby Jay (voice)

John Willyung as Passerby

Jake Richardson as Teen #1

Nick Fehlinger as Teen #2

Vincent Pereira as Quick Stop Customer

Ernest O'Donnell as Cop

Tango as Suzanne

Marc Blucas as The Guy

Matthew James as The Dude

Jane Silvia as Bookish Girl

Carmen Llywelyn as Redhead Beauty

Dan Etheridge as Deputy

Eric Winzenried as Cop #1

Jonathan Gordon as Cop #2

John Maynard as Cop #3

Robert Holtzman as Cop #4

Tom Dorfmeister as Cop #5

Joe Quesada as Pizza Delivery Guy

Diedrich Bader as Miramax Security Guard Gordon

Scott Mosier as GWH2 Assistant Director / Willam Black

James J. McLauchlin as GWH2 Clapper Loader

Joseph D. Reitman as Bluntman & Chronic Assistant Director

Paul Dini as Bluntman & Chronic Clapper Loader

Quentin Wright as William Dusky

Greg Owen as Suburban Kid

Ralph B. Meyer as Receptionist

Bryan Johnson as Steve-Dave Pulasti

Walt Flanagan as Walt Grover the Fanboy

Renée Humphrey as Tricia Jones

Joey Lauren Adams as Alyssa Jones

Dwight Ewell as Hooper

Alanis Morissette as That Woman (God)

Morris Day as Morris Day

Jerome Benton as The Time

Garry Johnson as The Time

Monte Moir as The Time

Torrell Ruffin as The Time

Ricky Smith as The Time

Jason Biggs as Jason Biggs (uncredited)

Greg Bronson as Bus Passenger (uncredited)

Thomas Burke as Blue Collar Man (uncredited)

William B. Davis as Cigarette Smoking Man (uncredited)

Alice Dinnean as Pretty Blonde Comic Book Shopper (uncredited)

Stephanie Entin as Convenience Store Girl (uncredited)

Dennyann Giambrone as Mooby's Extra (uncredited)

Aytl Jensen as Ghost (uncredited)

Mark Steven Johnson as Movie Director (uncredited)

Zak Knutson as The C.L.I.T. (voice) (uncredited)

Brian Lynch as Comic Book Shopper #1 (uncredited)

David Mandel as Extra (uncredited)

Art Oughton as Clapper Loader (uncredited)

Derek Raser as Bus Driver (uncredited)

Bob Schreck as Gus Van Sant's Assistant (uncredited)

Scott Sener as Quiet Scott (uncredited)

John Strand as Miramax Security Guard #2 (uncredited)

James Van Der Beek as James Van Der Beek (uncredited)

Scott William Winters as Clark / Scott William Winters (uncredited)

Nicole Vanderhoff as GWH2 Extra Glaring at PA (uncredited)