Factual error: The "Olympic team" sailing on the ship consists of approximately 18 men. The actual 1952 US Olympic team consisted of 286 competitors (245 men and 41 women), plus a large number of coaches, trainers, and so on.
Gentlemen Prefer Blondes (1953)
1 factual error - chronological order
Directed by: Howard Hawks
Starring: Charles Coburn, Marilyn Monroe, Jane Russell, Elliott Reid
Continuity mistake: At the end of the "Bye, Bye Baby" song the two girls are standing at the railing with two people in between them and the detective. When the shot cuts to their backs the two people in between the detective and the girls have disappeared.
Olympic athlete: Hi. Remember me?
Lorelei Lee: Yes. You're one of the Olympic athletes.
Olympic athlete: I'm the only 4-letter man on the team.
Lorelei Lee: You should be ashamed to admit it. No, don't say another word. No, don't say another word.
Trivia: At the end of the movie, there is a double wedding at sea with the ship's captain officiating. Most people assume that a ship's captain automatically has that authority. However, in order to officiate at a wedding at sea, the captain also must be a minister, a judge or justice of the peace, or a Notary Public.