: Teddy’s partner, Chuck (played by Mark Ruffalo), struggles to remove his gun from its holster early in the movie. This is a hint that he isn't a real U.S. Marshal, as a trained professional would have the muscle memory to do it effortlessly.
: Teddy wears a band-aid on his forehead for most of the film. It is only removed when the truth is revealed , symbolizing the "healing" or removal of his delusions. La isla siniestra
Shutter Island (known as in Spanish-speaking regions) is a psychological thriller directed by Martin Scorsese , based on the 2003 novel by Dennis Lehane. : Teddy’s partner, Chuck (played by Mark Ruffalo),
: In one of the most famous "clues," a patient is seen drinking from a glass that clearly contains no water. This highlights that we are seeing the world through Teddy's unreliable perspective , as his mind filters out things he finds traumatic, like water. : Teddy wears a band-aid on his forehead