In the scene where Harrison Ford is changing his shirt--he takes a shirt out of the packaging and all of the buttons are closed (as all men shirts are in the packaging). However, when the shirt is placed around his back for a split-second...all of the buttons are open (which facilitate his putting the shirt on, to applause from an audience).
When Tess is leaving the Bar she doesnt have anything in her hands, she left her purse on the Bar.. When she turns away after seeing her Bosses friend, she has a claim ticket that she gives to Jack.
When Katharine is giving Tess her rules about working with her, Tess agrees saying " yes Katharine"
Then she is leaving and Katharine stands to shake her hand and says "call me Katharine"