Refers to a group of people working together, especially on a ship, aircraft, film set, or in a professional team context.
He works as part of a film crew.
All members of the ship's crew were safe.
The film had a crew of over 100 people.
He joined the filming crew.
The captain led the crew out to sea.
クルー is a casual, modern loanword for a ship's or film crew, while 乗組員 is the formal, official term used in news or legal contexts.
クルー is a casual loanword often used for film, sports, or ship crews, whereas 乗員 is the formal term used in news and official transportation contexts.
クルーズ means a pleasure cruise (the voyage itself), while クルー means the crew of people running it, so the words are easy to mix up despite sounding alike.
Borrowed from English 'crew'.