Michael O'Donoghue
— Mr. Mike
Dan Aykroyd
— Church of Jack Lord Leader / Self
Rhonda Coullet
— Church of Jack Lord Singer
Paul Shaffer
— Church of Jack Lord Organist
Bill Murray
— Man on the Street
Jane Curtin
— Self
Carrie Fisher
— Self
Teri Garr
— Self
Joan Hackett
— Self (voice)
Debbie Harry
— Self
Sarah Holcomb
— Self
Margot Kidder
— Self
Laraine Newman
— Self
Gilda Radner
— Self
Sid Vicious
— Self
Root Boy Slim
— Self
Edie Baskin
— Self
Susan Forristal
— Self
Wendie Malick
— Self
Brian McConnachie
Patty Oja
— Self
Emily Prager
Mitch Glazer
Marii Mak
— Self
Robert Perry
— Additional Cast (as Bob Perry)