uncredited

From un- +‎ credited.

uncredited (comparative more uncredited, superlative most uncredited)

1. Unacknowledged.
2. Not believed.
   • 1623, Owen Feltham, Resolves: Divine, Moral, Political:

     I find, with him to whom the tale is told, belief only makes the difference betwixt truth and lies; for a lie believed is true, and truth uncredited a lie.

3. (media) Not listed in the credits.

   Several uncredited musicians worked on the film score.

• reinducted, undercited, undirected