Jason Wahler, Janice Dickinson Join ‘Celebrity Rehab 4′ Cast

Lindsay Lohan might not be participating, but rest assured: When Dr. Drew Pinsky hangs out his shingle once again for the fourth season of Celebrity Rehab, an entertaining time for all is virtually guaranteed.

VH1 has revealed the participants for its latest round of detox at the Pasadena Recovery Center, and its quite the mixed bag of substance abusers. Along with previously revealed participant Jeremy London, the Party of Five actor who earlier this year claimed to have been abducted and forced to smoke drugs at gunpoint, the season will feature Laguna Beach vet and multiple DUI arrestee Jason Wahler; alleged Tiger Woods mistress Rachel Uchitel; former teen heartthrob Leif Garrett (most recently busted for heroin possession in February); socialite Jason Davis; former America’s Next Top Model judge Janice Dickinson; and Frankie Lons, mother of singer Keyshia Cole.

No word on who will come out on top in this televised race to recovery, but monetarily, Rachel Uchitel already seems to be the clear winner; according to TMZ, Rachel—who reportedly hopes to kick a pill habit while on the series—will be collecting $500,000 for her troubles, after the show’s producers agreed to double their offer when she initially declined.

Are you looking forward to the new season of Celebrity Rehab? Anybody you think they unfairly left out? Let us know in the comments section.

» Follow Celebuzz on Twitter | Facebook

BUZZINGS: More Celeb Goodness

• Glamorous 93-year-old actress Zsa Zsa Gabor is going in for hip replacement surgery today after she shattered several bones after a nasty fall. Get well soon, Zsa Zsa! (PopEater)

• Speaking of bad falls, Pink is back to work after her own nasty fall on stage during a performance. (Wonderwall)

• From the Dept. of Bad Ideas: Convicted Rihanna-abuser Chris Brown uses an Ike Turner reference in a new song. (Hollywood Life)