The guys at the bar feel guilty for constantly teasing Diane and not inviting her to their gatherings, so they try to make up by taking her to her favorite opera.
- Shelley Long as Diane Chambers
- Ted Danson as Sam Malone
- Rhea Perlman as Carla Tortelli
- John Ratzenberger as Cliff Clavin
- George Wendt as Norm Peterson
- Woody Harrelson as Woody Boyd
Recurring / Guest stars: