Kelly Reilly credited as playing...
Mary Watson
- Mycroft Holmes: Good evening, Mrs Watson. I'm the other Holmes.
- Mary Watson: You mean there's *two* of you? How marvelous! Could this evening get any better?
- Mary Watson: I miss him too, in my own way.
- Dr. John Watson: He would have wanted us to go to Brighton.
- Mary Watson: He would have wanted to come with us.
- [last lines]
- Dr. John Watson: [upon receiving the oxygen mask as an indication that Holmes may be alive] Mary? Who delivered this parcel?
- Mary Watson: [offscreen] The postman.
- Dr. John Watson: [as he leaves the room] The usual chap or... did he look peculiar?
- Sherlock Holmes: Do you trust me?
- Mary Watson: No.
- Sherlock Holmes: Well, then I shall have to do something about that.
- [pushes Mary Watson out of train]