Will Forte

Doug Kenney

Domhnall Gleeson

Henry Beard

Martin Mull

Modern Doug

Neil Casey

Brian McConnachie

Jon Daly

Bill Murray

Nelson Franklin

P.J. O'Rourke

John Gemberling

John Belushi

Rick Glassman

Harold Ramis

Seth Green

Christopher Guest

Harry Groener

Harry Kenney

Max Greenfield

Chris Miller

Camille Guaty

Alex Garcia-Mata

Ed Helms

Tom Snyder

Thomas Lennon

Michael O'Donoghue

Joe Lo Truglio

Brad

Matt Lucas

Tony Hendra

Natasha Lyonne

Anne Beatts

Joel McHale

Chevy Chase

Annette O'Toole

Stephanie Kenney

Emmy Rossum

Kathryn Walker

Jackie Tohn

Gilda Radner

Matt Walsh

Matty Simmons

Finn Wittrock

Tim Matheson

Elvy

Mary Marshmallow

Frank Gingerich

Doug - Age 12

Morgan Gingerich

Doug - Age 12

David Wain

Interviewer

Brad Morris

Peter Ivers

Carla Gallo

Lucy Fisher

Rick Overton

First Publisher

Mark Metcalf

Second Publisher

David Krumholtz

Time-Life Publisher

Mitchell Hurwitz

Time-Life Publisher

Michael Colton

Art Director

John Aboud

Art Director

Kerri Kenney

Sullivan Producer

Bob Stephenson

Construction Worker

Chris Redd

Skeptical Black Man

Krister Johnson

Michael Gross

Mike Park

Advertiser

Gregg Turkington

Advertiser

Meera Rohit Kumbhani

Elaine

Armen Weitzman

Lorne Michaels

Lonny Ross

Ivan Reitman

Brian Huskey

John Landis

Rich Sommer

Harry Crane

Kate Simmons

Party Guest

Abigail Klein

Missy

Paul Scheer

Paul Shaffer

Martha Smith

Tour Guide

Melissa Paulo

Room Service Waitress

Lindsey Kraft

Gwyneth Cravens

Bambadjan Bamba

Taxi Driver (uncredited)

Garrett Boyd

Young Omega Chip Diller (uncredited)

Sandra Rosko

Stoner College Kid (uncredited)

Paul Rudd

"The Nobody" (uncredited)