CelebStock and StarBonds

they are not included on the poster (link)

they are not included on the official movie site (link)

this is how they are presented in the press kit (complete press kit link... download... file: B$Mfinalnotes):

"An all new feature film from the twisted minds of cult comedy heroes Tim Heidecker and Eric Wareheim (“Tim and Eric Awesome Show, Great Job”)! Tim and Eric are given a billion dollars to make a movie, but squander every dime… and the sinister Schlaaangcorporation is pissed. Their lives at stake, the guys skip town in search of a way to pay the money back. When they happen upon a chance to rehabilitate a bankrupt mall full of vagrants, bizarre stores and a man-eating wolf that stalks the food court, they see dollar signs—a billion of them. Featuring cameos from Awesome Show regulars and some of the biggest names in comedy today!

From Tim and Eric, Funny or Die and Magnet Releasing comes TIM AND ERIC’S BILLION DOLLAR MOVIE.  Starring, written, produced and directed by Tim Heidecker and Eric Wareheim.  Also produced by Will Ferrell, Adam McKay, Todd Wagner, Chris Henchy, Dave Kneebone, Kevin J. Messick, Ben Cosgrove and Jon Mugar.Executive producers Mark Cuban and Shay Weiner.Also starring Jeff Goldblum, Robert Loggia, TwinkCaplan, Ray Wise, William Atherton, Michael Gross, and secret, special guests.  Director of Photography is Rachel Morrison.  Production Designer is Rosie Sanders, Art Direction by Melanie Mandl.  Edited by Daniel Haworth.Original Music by Davin Wood.  This film is rated R. 

***SPOILERS BELOW***

This is the press kit description of JCREI's character:

"On the character Taquito, played by a long time collaborator..."

This is the press kit desciption of WFERR's character:

"In the restroom, the boys see Damien Weebs’ cheesy TV spot..."

ZGALI and WFORT are not mentioned at all in the press kit.

pg 14 of press kit:

Cast

(In order of appearance)

Serious Announcer ..................................... BILL A. JONES

Chef Goldblum.................................... JEFF GOLDBLUM

Schlaaang Announcer............................ BOB ODENKIRK

Super Seat Customer............................ FRANK SLATEN

Himself.................................................. BOB ROSS

Diamond Jim/Johnny Depp ................... RONNIE RODRIGUEZ

Woman on Paris Street ......................... NANCY STELLE

Paris Policeman ............................... JEAN-MICHEL RICHAUD

Woman Being Ticketed......................... MARILYN PORAYKO

Paris Waitress .................................. ERICA DURANCE

Himself .......................................... TIM HEIDECKER

Himself ..................................... ERIC WAREHEIM

Tommy Schlaaang....................... ROBERT LOGGIA

Earle Swinter............................. WILLIAM ATHERTON

Narrator ................................... MICHAEL GROSS

Jason ....................................... JON BAGGIO

Studio Executive 1.................... KRISTOPHER LOGAN

Studio Executive 2.................... ANDY SPENCER

Studio Executive 3................... CHRISTOPHER GUCKENBERGER

Cornell.................................... JOHN DOWNEY III

Mrs. Heidecker ........................ MARY BLY

Mrs. Wareheim..................... LILLIAN ADAMS

Bartender............................... JAY MAWHINNEY

Tattoo Artist................................ LOKI

Delivery Man......................... HARRY ELMAYAN

Himself ............................... TENNESSEE WINSTON LUKE

Himself ................................ ROBERT AXELROD

Man on Street ............................ TED NEUBAUER

Woman on Street ............................. DENA ROE

Katie ......................................... TWINK CAPLAN

Woman Giving Birth........................ KIMBERLY ABLES JINDRA

Roy .................................................. KIRK DIEDRICH

Customer ......................................... DOUG FOSTER

Reggie .............................................. MATT O'TOOLE

Jeffrey ............................................... NOAH SPENCER

Dr. Doon Struts ......................................... RAY WISE

Shrim Dancer .................................... RAE SUNSHINE LEE

Large Man ....................................... PALMER SCOTT

El Hat Proprietor ................................. MOBIN KHAN

Himself............................................ JAMES QUALL          

Shrim Kid #1 .................................. COLE CARL MANGHAM

Shrim Kid #2 .......................................... ZACHARIAH JAMES-JADON EVANS

Shrim Kid #3 ................................ FRUNZIK AYVAZYAN, JR.

Shrim Kid #4 ................................. JOSHUA BRISCOE

Hobo............................................. TODD WAGNER

Wolf Puppeteer ......................... GABE BARTALOS

Steven Spielberg ............................. HOWIE SLATER

Himself .......................................... DAVID LIEBE HART