Doubt[1] (Persian: تردید, romanized: Tardid) is a 2009 Iranian Crystal Simorgh-winning film directed by Varuzh Karim Masihi.

[2] Made after 17 years, Tardid is Karim Masihi's second feature film after Parde-ye Akhar (The Last Act).

Siavash Roozbehan is a young man and he has lost his father after his mysterious suicide.

After some days he also sees a lot of similarities between his own life and of Shakespeare's Hamlet.

He goes to Garo, his best friend, and they try to change the end of the tragic story.