But it has an all star cast

Credited cast:
Jennifer Tilly .... Herself/Tiffany (voice)
Brad Dourif .... Chucky (voice)
Billy Boyd .... Glen (voice)
Hannah Spearritt .... Joan
Redman .... Himself
rest of cast listed alphabetically
Debbie Lee Carrington .... Debbie
Stephanie Chambers .... Mum
Nadia Dina .... Britney Spears
Beans El-Balawi
Tony Gardner .... Tony Animatronics
Daniel Getzoff .... Assistant Director
Alan Hedgcock .... Puppeteer
Kristina Hewitt .... Human Glenda
John Higgins .... Young Victim
Steve Lawton .... Stan
Simon James Morgan .... Dad
Shannon Munsey .... Unnamed Female Victim
Rebecca Santos .... The Nanny
Bethany Simons .... Daughter
John Waters .... Sleazy Reporter