During the flashback when Thor makes the lights flicker to signal Thomas not to marry, the actor clearly avoids Thor and Hetty as he walks away.
When Freddie answers the phone after telling Sam his girlfriend broke up with him, he holds it upside down, speaker to mouth and microphone to ear.
When Sasappis and Jessica are talking in Freddie's car (10 min), she accidentally calls him Freddie instead of Sass, "I really don't like this side of you, Freddie". Her drunkenness could be the cause of the error.