Behind-the-scenes secrets can be very revealing of a movie or TV show's cast and crew.
Some co-stars, like Roger Moore and Grace Jones, didn't get along when the camera was turned off.
These are just a few scenes that actors have publicly admitted to regretting their involvement with.
Movie history is replete with cases of actors who regret shooting particular scenes, especially after said scenes become famous. Admittedly, regretting past decisions is not unique to the acting profession....