 Jack LemmonSam Bissel | Sam Bissel |
 Romy SchneiderJanet Lagerlof | Janet Lagerlof |
 Dorothy ProvineMinerva Bissel | Minerva Bissel |
 Mike ConnorsHoward Ebbets | Howard Ebbets |
 Edward AndrewsMr. Burke | Mr. Burke |
 Louis NyeReinhold Shiffner | Reinhold Shiffner |
 Robert Q. LewisEarl | Earl |
 Joyce JamesonHotel Prostitute | Hotel Prostitute |
 Anne SeymourIrene | Irene |
 Charles LaneJack Bailey | Jack Bailey |
 Linda WatkinsEdna Bailey | Edna Bailey |
 Peter HobbsPhil Reisner | Phil Reisner |
 Tristram CoffinSonny Blatchford | Sonny Blatchford |
 Neil HamiltonLarry Boling | Larry Boling |
 Riza RoyceMiss Halverson | Miss Halverson |
 William ForrestMillard Mellner | Millard Mellner |
 Edward G. RobinsonSimon Nurdlinger | Simon Nurdlinger |
 Vicki CosJenna Bissel (uncredited) | Jenna Bissel (uncredited) |
 Kym KarathDenise Bissell (uncredited) | Denise Bissell (uncredited) |
 Bess FlowersMrs. Burke (uncredited) | Mrs. Burke (uncredited) |
| EElsie BakerMrs. Nurdlinger (uncredited) | Mrs. Nurdlinger (uncredited) |
 Quinn O'HaraMarsha (uncredited) | Marsha (uncredited) |
 Aneta CorsautFran (uncredited) | Fran (uncredited) |
 Bernie KopellRichard Taragon (uncredited) | Richard Taragon (uncredited) |
 Jim BannonPoliceman (uncredited) | Policeman (uncredited) |
 George BlagoiNurdlinger Servant (uncredited) | Nurdlinger Servant (uncredited) |
 Barbara BouchetReceptionist (uncredited) | Receptionist (uncredited) |
| JJan BrooksGloria (uncredited) | Gloria (uncredited) |
 William BryantHausner (uncredited) | Hausner (uncredited) |
 Richard HaleMr. Vernier (uncredited) | Mr. Vernier (uncredited) |
