| Robert De Niro | Rupert Pupkin |
| Jerry Lewis | Jerry Langford |
| Sandra Bernhard | Masha |
| Diahnne Abbott | Rita Keane |
| Shelley Hack | Cathy Long |
| Tony Randall | Himself |
| Ed Herlihy | Himself |
| Lou Brown | Band leader |
| Margo Winkler | Receptionist |
A desperate would-be comic hounds a late-night talk-show host for a break.
|
|