Jason Bateman Michael Bluth Actor Portia de Rossi Lindsay Funke Actor Will Arnett George Oscar Bluth II Actor Michael Cera George Michael Bluth Actor Alia Shawkat Maeby Funke Actor Tony Hale Byron "Buster" Bluth Actor David Cross Tobias Funke Actor Jeffrey Tambor George Bluth, Sr. Actor Jessica Walter Lucille Bluth Actor Henry Winkler Barry Zuckerkorn Guest Star John Beard John Beard Guest Star Ed Helms James Carr Guest Star Maria Bamford Debrie Bardeaux Guest Star Chris Diamantopoulos Marky Bark Guest Star Liza Minnelli Lucille Austero Guest Star Ian Roberts Literal Doctor Guest Star Mitch Poulos Priest Guest Star Jessica Chaffin Junkie Guest Star Ron Howard Executive Producer Brian Grazer Executive Producer David Nevins Executive Producer Mitchell Hurwitz Director Troy Miller Director Dean Lorey Writer Jim Vallely Writer