Ben Affleck

Bartleby

Matt Damon

Loki

Linda Fiorentino

Bethany

Salma Hayek Pinault

Serendipity

Jason Lee

Azrael

Jason Mewes

Jay

Alan Rickman

Metatron

Chris Rock

Rufus

George Carlin

Cardinal Glick

Bud Cort

John Doe Jersey

Alanis Morissette

God

Jeff Anderson

Gun Salesman

Brian O'Halloran

Grant Hicks

Janeane Garofalo

Liz

Betty Aberlin

Nun

Dwight Ewell

Kane

Guinevere Turner

Bus Station Attendent

Bryan Johnson

Protestor #1

Walt Flanagan

Protestor #2

Jared Pfennigwerth

Stygian Triplet

Kitao Sakurai

Stygian Triplet

Barret Hackney

Stygian Triplet

Kevin Smith

Silent Bob

Scott Mosier

Smooching Seaman

Ben Cain

Gangster #1

Javon Johnson

Gangster #3

Mark Joy

Whitland

Ethan Suplee

Norman (voice)

Matthew Maher

Bartender

Ming Chen

Club Patron (uncredited)

Ernest O'Donnell

Reporter (uncredited)

Brian Quinn

Man Holding Mooby Figurine in Airport (uncredited)

Adrienne Wehr

Protestor (uncredited)

Gwyneth Paltrow

'Woman in the airport' - she was visiting Ben and Matt on the set (uncredited)