Cate Blanchett takes a misstep during a scene in Thor: Ragnarok (2017).
Lionel Barrymore messes up his line causing instant laughter from Lauren Bacall and Humphrey Bogart in Key Largo (1948)
Monty Woolley and Bette Davis have a moment during a scene in The Man Who Came to Dinner (1942).
Nicholas Hoult breaks character speaking in his thick Australian accent when he realizes his character can’t read in this playful unused scene in Mad Max: Fury Road (2015).
Kate Beckinsale has a moment after she totally forgets who she is suppose to shoot next during a scene in Underworld: Awakening (2012).
Bette Davis cracks a joke during a scene of The Old Maid (1939).
Keanu Reeves falls during a key action scene in The Matrix (1999)
Brad Pitt is unable to keep a straight face while listening to Jonah Hill during a scene in Moneyball (2011).
Tom Holland cracks a joke during a scene with Jacob Batalon in Spider-Man: Homecoming (2017).
Chris Pratt randomly ad-libs a line in a scene in Guardians of the Galaxy Vol 2 (2017).
Robin Williams reacts to Phillip Seymour Hoffman messing up his line in Patch Adams (1998).
Johnny Depp doesn’t exactly stick the landing but walks it off anyways in a scene for Pirates of the Caribbean: At World’s End (2007).
Will Smith, Rosario Dawson and Tommy Lee Jones lose it when Will Smith makes his own sound effect during a scene in Men in Black II (2002).
Billy Zane improvises when he forgets his line and Frances Fisher plays along during a scene in Titanic (1997).
Carice van Houten removes the shroud over Kit Harington while Ben Crompton and Liam Cunningham try to keep a straight face during a scene in Game of Thrones (2016).