Revealing mistake: When Duckie is showing off on his bike, you can see its not Duckie but his stunt double.
Pretty in Pink (1986)
1 revealing mistake
Directed by: Howard Deutch
Starring: Harry Dean Stanton, Andrew McCarthy, Molly Ringwald, Annie Potts, Jon Cryer
Continuity mistake: There is a scene where Molly Ringwald is confronting her father about lying about seeing a counsellor. His hair is sweaty and messed up a bit and then it changes position to Molly Ringwald and back to her father. Then you will notice that his hair is combed.
Trivia: Both Michael J. Fox and Anthony Michael Hall turned down the role of Duckie.