When told by Mortdecai that "some members of the fairer sex" find his moustache quite appealing, his wife's response is "Whom, exactly?" This is poor English and unlikely in the speech of a well-educated Englishwoman. 'Whom' is only used to replace 'to who'.
During the car chase in Los Angeles sequence, Jock vomits while shooting through the window and the windshield of Strago's SUV is splattered with sick. A second later, when the SUV turns right and escapes, the windshield is spotless clean.