Michael Keaton

Johnny Dangerously

Joe Piscopo

Vermin

Marilu Henner

Lil

Maureen Stapleton

Mom

Peter Boyle

Dundee

Griffin Dunne

Tommy

Glynnis O'Connor

Sally

Dom DeLuise

The Pope

Richard Dimitri

Maroni

Danny DeVito

Burr

Ron Carey

Pat

Ray Walston

Vendor

Dick Butkus

Arthur

Byron Thames

Young Johnny

Sudie Bond

Cleaning Lady