With a total screen time of just under six minutes, Beatrice Straight, playing a cheated-on wife in 1976’s Network, surely made every second count. (She’d later gain a bit more fame for playing Wonder Woman’s mom and the jumpy paranormal investigator from Poltergeist)
Shortest Performance to Earn an Acting Nomination: 2 Minutes and 32 Seconds English character actor Hermione Baddeley won a Best Supporting Actress nod for her blink-and-you’ll-miss-it work in 1959’s Room at the Top.