See also: looking into the camera; not being off book.
See also: pocketing craft service items for later; chewing gum on camera.
See also: missing your mark, tripping on cables; bumping into lighting instruments and set dec.
See also: taking a bite out of waxed fruit they were going to use later as a prop.
See also: shaving your beard after your character has been established; forgetting sunscreen and getting sunburned on set; not bringing everything Wardrobe has requested or not wearing exactly what they asked you to wear.
See also: wandering to craft service for a latte without telling anyone; heading to base camp when everyone else is returning to set.
See also: freaking out, swearing, or having a meltdown after blowing a line.
See also: announcing impatiently to the director after a take, "We got the shot, we're moving on!"
See also: cracking insensitive jokes; blatantly hitting on someone; being intoxicated on set.
See also: initiating small talk with a crew member about a celebrity who committed suicide, only to find out it was his father; raving about a famous actor to his ex-flame, then discovering Make-Up has been instructed to make you “look ugly.”
See also: volunteering to jump over a stair rail in a chase scene and then eating it; not mentioning you’ve lost your voice until you’re on set and have to be replaced.
See also: spoiling the season finale of a TV series on Twitter, invoking not only the rage of fans, but a public lambasting by the executive producer.