Charlie Day
Charlie Kelly (10 eps)
Glenn Howerton
Dennis Reynolds (10 eps)
Rob McElhenney
Ronald 'Mac' McDonald (10 eps)
Kaitlin Olson
Deandra Reynolds (10 eps)
Danny DeVito
Frank Reynolds (10 eps)
Artemis Pebdani
Artemis (2 eps)
Justin Lopez
God (1 eps)
Seann William Scott
Country Mac (1 eps)
Burn Gorman
The Scientist (1 eps)
Ricky Garcia
Cool Kid (1 eps)
Ken Davitian
Snyder (1 eps)
Peter Jacobson
Rotenberg (1 eps)
Lavell Crawford
Landslide (1 eps)
Steve Lewis
Walt (1 eps)
Karah Donovan
Stage Manager (1 eps)
Hal Devi
Security Guard (1 eps)
Johnno Wilson
Conan O'Brien (voice) (1 eps)
Robyn Lively
Kerry (1 eps)
Dave Foley
Principal MacIntyre (1 eps)
Mickey Jones
Gunther (1 eps)
Jeff Kober
Creepy Guy (1 eps)
Karl T. Wright
Scott (1 eps)
Xihuaru Kilcher
Emo Kid (1 eps)
Jose Diaz
Inner City Kid (1 eps)
Robert Craighead
Gabe (1 eps)
Keith Bullard
Scary Guy (1 eps)
Bob Wiltfong
Chet (1 eps)
Carly Hollas
Gun Show Girl (1 eps)
Roger Bart
Rep (1 eps)
Oscar Nunez
Sudz Manager (1 eps)
Ryan Gaul
Greg (1 eps)
Burl Moseley
Maxwell (1 eps)
Whitney Hoy
Amanda (1 eps)
Jean St. James
Customer (1 eps)
Noah Thorne
Friendly Suds Patron (1 eps)
Tommy Dewey
Harris Marder (1 eps)
Roddy Piper
Da' Maniac (1 eps)
Ron Butler
Scientist (1 eps)
Mike Batayeh
Ref (1 eps)
Ryan Mirvis
Burly Man (1 eps)
Josh Groban
Josh Groban (1 eps)
Jessica Collins
Jackie Denardo (1 eps)
T.J. Hoban
Angel / Rex (1 eps)
Raymond Lee
Cashier (1 eps)
Seth Ayott
Gunman (1 eps)
Brian Fong
Old Asian Man (1 eps)
April Scott
Glenda the Gorgeous Gunman (1 eps)
Isabella Crovetti
Sarah (1 eps)
Andrew Thacher
Detective (1 eps)
Stuart Allan
Jack (1 eps)
Brian McGovern
Tom (1 eps)
Christine Clayburg
Interviewer (1 eps)
Jim O'Heir
Doctor (1 eps)
Bruce Wexler
Male Nurse (1 eps)
Jimmy O. Yang
Tang-See (1 eps)
Leilani Taliaferro
Shaman Woman (1 eps)
Diane Sellers
Clerk (1 eps)
Janet Hoskins
Old Lady (1 eps)
Julia Cho
Dot Com Girl (1 eps)
William Duffy
Hedge Fund Guy (1 eps)
Bonnie Burroughs
Cop (1 eps)
Jimmi Simpson
Liam McPoyle (1 eps)
Zachary Knighton
Random Guy (1 eps)
Nate Mooney
Ryan McPoyle (1 eps)
Shelly Desai
Hwang (1 eps)
Chad L. Coleman
Z (1 eps)
Andrew Friedman
Charlie's Uncle Jack (1 eps)
Mary Lynn Rajskub
Gail the Snail (1 eps)
Peter MacKenzie
Doctor (1 eps)
Lance Barber
Bill Ponderosa (1 eps)
Travis Schuldt
Ben (The Soldier) (1 eps)