Other mistake: Vivian and Bernard are standing outside of Albert's Open Spaces office taking to him when Tommy calls Bernard's cell phone. Bernard hands the phone to Vivian, who takes the phone and puts it next to her ear, upside-down, and begins talking to Tommy, through the speaker, and listening to him, through the microphone.
Continuity mistake: Throughout the film, Tommy is unshaven and seems to be growing a beard. In the scene outside Albert's apartment building, he appears to have shaved. However, in the next scene, with Albert and Tommy at the marsh with Caterine, his beard has somehow grown back.
Other mistake: Albert is narrating a letter he's writing. His character's name is Albert, but he signs it Alfred.