Alice is going to meet Dr. Smith, whom she knows only by name and/or reputation. Upon entering Dr. Smith's office, she sees a distinguished-looking gentleman who perfectly fits her mental image of what Dr. Smith ought to look like talking to an ordinary teenage girl. So she goes up to the man and starts talking to him... only for the teenage girl to inform her that she's Dr. Smith, and the man is just an assistant (or male relative, friend, or something along those lines). Compare Mistaken Age. Examples of Actually, That's My Assistant include: