Trailer
Images
 | Will Forte as Doug Kenney |
 | Domhnall Gleeson as Henry Beard |
 | Martin Mull as Modern Doug |
 | Neil Casey as Brian McConnachie |
 | Jon Daly as Bill Murray |
 | Nelson Franklin as P.J. O'Rourke |
 | John Gemberling as John Belushi |
 | Rick Glassman as Harold Ramis |
 | Seth Green as Christopher Guest |
 | Harry Groener as Harry Kenney |
 | Max Greenfield as Chris Miller |
 | Camille Guaty as Alex Garcia-Mata |
 | Ed Helms as Tom Snyder |
 | Thomas Lennon as Michael O'Donoghue |
 | Joe Lo Truglio as Brad |
 | Matt Lucas as Tony Hendra |
 | Natasha Lyonne as Anne Beatts |
 | Joel McHale as Chevy Chase |
 | Annette O'Toole as Stephanie Kenney |
 | Emmy Rossum as Kathryn Walker |
 | Jackie Tohn as Gilda Radner |
 | Matt Walsh as Matty Simmons |
 | Finn Wittrock as Tim Matheson |
 | Elvy as Mary Marshmallow |
 | Frank Gingerich as Doug - Age 12 |
 | Morgan Gingerich as Doug - Age 12 |
 | David Wain as Interviewer |
 | Ben F. Campbell as Harvard Jester |
 | Jon Klaft as Preppy Student |
 | Brad Morris as Peter Ivers |
 | Carla Gallo as Lucy Fisher |
 | Beau Bassewitz as Umpire |
 | Rick Overton as First Publisher |
 | Mark Metcalf as Second Publisher |
 | David Krumholtz as Time-Life Publisher |
 | Mitchell Hurwitz as Time-Life Publisher |
 | Michael Colton as Art Director |
 | John Aboud as Art Director |
 | Michael Sherman as Ed Sullivan |
 | Kerri Kenney as Sullivan Producer |
 | Bob Stephenson as Construction Worker |
| Ellen Colton as Waitress |
 | Liz Femi as Skeptical Black Woman |
 | Chris Redd as Skeptical Black Man |
 | Krister Johnson as Michael Gross |
| Peter Blake as Advertiser |
 | Mike Park as Advertiser |
 | Gregg Turkington as Advertiser |
| Michael Farrell as Radio Hour Pianist / Premiere Party Pianist |
| Adam Wade as Radio Hour Drummer / Premiere Party Drummer |
 | Meera Rohit Kumbhani as Elaine |
| Jherek Bischoff as Lemmings Bass Player |
 | Craig Wedren as Lemmings Piano Player |
| Sam Mickens as Street Musician |
 | Armen Weitzman as Lorne Michaels |
 | Lonny Ross as Ivan Reitman |
| Steven Sims as Stephen Furst |
 | Brian Huskey as John Landis |
 | Julian Wass as Premiere Party Guitar Player |
| Bo Boddie as Premiere Party Guitar Player |
 | Rich Sommer as Harry Crane |
 | Kate Simmons as Party Guest |
 | Abigail Klein as Missy |
 | Andrew Gray McDonnell as Michael O'Keefe |
| Erv Dahl as Rodney Dangerfield |
 | Paul Scheer as Paul Shaffer |
 | Martha Smith as Tour Guide |
| Hutch Barbeau as Studio Tour Kid |
 | Matt Ballard as Bartender |
 | Melissa Paulo as Room Service Waitress |
 | Lindsey Kraft as Gwyneth Cravens |
| Christopher Arminio as National Lampoon Staffer (uncredited) |
 | Bambadjan Bamba as Taxi Driver (uncredited) |
| James Bearb as Doug Niedermeyer (uncredited) |
 | Garrett Boyd as Young Omega Chip Diller (uncredited) |
 | Jack Andrew Cook as Dan Aykroyd (uncredited) |
| T.C. Daniels as Brian Doyle Murray (uncredited) |
| Gina Dunlap as Dancer (uncredited) |
| Paige Flannery as Stoned College Kid (uncredited) |
 | Jake Jacobson as Ted Knight (uncredited) |
 | Allyson Nicole Jones as Student (uncredited) |
 | Sean Leo as Boyscout (uncredited) |
 | Christina Miller as Funeral Guest (uncredited) |
| Lauryn Morse as Cheerleader Captain (uncredited) |
| Jeremey Penn as Daniel Kenney (uncredited) |
 | Sandra Rosko as Stoner College Kid (uncredited) |
 | Dallas Ryan as Sound Guy (uncredited) |
 | Paul Rudd as "The Nobody" (uncredited) |
| David Sampen as Caddyshack Film Crew (uncredited) |
| Tim Seitter as Kroger (uncredited) |
| Vivienne Taylor as Toga Waitress (uncredited) |
| Production | |
| Allison Jones | Casting |
Visual Effects | |
| Brice Liesveld | Visual Effects Producer |
Production | |
| Ed Helms | Executive Producer |
| John Aboud | Executive Producer |
| Michael Colton | Executive Producer |
| Peter Principato | Producer |
| David Wain | Executive Producer |
| Edward H. Hamm Jr. | Executive Producer |
| Sean McKittrick | Executive Producer |
| Ben Ormand | Executive Producer |
| Jonathan Stern | Producer |
Art | |
| Austin Gorg | Art Direction |
| Jonah Markowitz | Production Design |
Costume & Make-Up | |
| Debra McGuire | Costume Design |
| Lindsay Garrison | Makeup Department Head |
Directing | |
| David Wain | Director |
Writing | |
| John Aboud | Screenplay |
| Michael Colton | Screenplay |
| Josh Karp | Book |
Camera | |
| Kevin Atkinson | Director of Photography |
Production | |
| Ted Sarandos | Producer |
| Pauline Fischer | Executive Producer |
| Collin Creighton | Executive Producer |
Editing | |
| David Egan | Editor |
Sound | |
| Alexandra Patsavas | Music Supervisor |
Production | |
| Korey Budd | Unit Production Manager |
| Ben Ormand | Unit Production Manager |
Directing | |
| M. Ryan Traylor | First Assistant Director |
| Amanda Carrara | Second Assistant Director |
Crew | |
| Vladimir Tevlovski | Stunt Coordinator |
| Jeffrey G. Barnett | Stunts |
| Michael Duisenberg | Stunts |
| Koby Azarly | Stunts |
| Chris Carnel | Stunts |
Production | |
| Ben Harris | Casting Associate |
Directing | |
| Heather Pollock | Script Supervisor |
Art | |
| Steven Light-Orr | Assistant Art Director |
| Shelley A. Wallace | Set Designer |
| Jason Perrine | Graphic Designer |
| Kristen O'Malley | Assistant Set Decoration |
Costume & Make-Up | |
| M. Marcos Gonzalez | On Set Dresser |
Art | |
| Armando Abarca | Set Dresser |
| Max Bostic | Set Dresser |
| Randy Bostic | Set Dresser |
| Paul Boucher | Set Dresser |
| Mark Finer | Set Dresser |
| Michael Gregan | Set Dresser |
| Marco López | Set Dresser |
| Mark Palmer | Set Dresser |
| Randy Severino | Set Dresser |
Camera | |
| Michael Brian Hart | Steadicam Operator |
| Michael Brian Hart | Camera Operator |
| David Richert | Camera Operator |
Sound | |
| Ed Novick | Sound Mixer |
Costume & Make-Up | |
| Isabela Braga | Costume Supervisor |
| Lenka Padysakova | Assistant Costume Designer |
| Laura Peyer | Makeup Artist |
| Sabrina Wilson | Makeup Artist |
| Lara Cilento | Hair Department Head |
| Aubrey Marie | Hairstylist |
| Meghan Heaney | Additional Hairstylist |
| Bia Iftikhar | Additional Hairstylist |
Crew | |
| Joe Pancake | Special Effects Coordinator |
Directing | |
| Kevin Zelman | Second Second Assistant Director |
| Eugene Davis | Additional Second Assistant Director |
Visual Effects | |
| Brice Liesveld | Visual Effects Supervisor |
| James Pastorius | Visual Effects Supervisor |
| Alex Knudsen | Visual Effects Producer |
| Tara Acquesta | Visual Effects Producer |
Sound | |
| Sean Garnhart | Sound Designer |
| Sean Garnhart | Supervising Sound Editor |
| Sean Garnhart | Sound Re-Recording Mixer |
| Nicholas Renbeck | Supervising Dialogue Editor |
| Craig Wedren | Original Music Composer |
Editing | |
| Jamie Gross | Editor |
| Robert Nassau | Editor |
Costume & Make-Up | |
| Liz Ferguson | Key Hair Stylist |
| Laura Peyer | Key Makeup Artist |
Art | |
| David A. Cook | Set Decoration |
Production | |
| Nicholas Barragan | Production Assistant |
