Howard Stern (Howard Stern)
Robin Quivers (Robin Quivers)
Mary McCormack (Alison Stern)
Fred Norris (Fred Norris)
Jackie Martling (Jackie Martling)
Paul Giamatti (Kenny)
Matthew Friedman (16-Year-Old Howard)
Melanie Good (Brittany)
Jenna Jameson (Many)
Theresa Lynn (Orgasm Woman)
Michael Maccarone (12-Year-Old Howard)
Amber Smith (Julie)
Althea Cassidy (The Kielbasa Queen)
Bobby Borriello (Seven-Year-Old Howard)
Allison Janney (Dee Dee)
Kelly Bishop (Ray Stern)
Mia Farrow
Jonathan Hadary (Griff)
Paul Hecht (Ross Buckingham)
James Murtaugh (Payton)
Richard Portnow (Ben Stern)
Reni Santoni (Vallesecca)
Lee Wilkof (Marvin Mamoulian)
AC/DC (Themselves)
Michael Murphy (Roger Erlick)
Henry Goodman (Moti)
Carol Alt (Gloria)
Gary Dell'Abate (Gary Dell'Abate)