David Burke credited as playing...
Dr. John Watson
- [first lines]
- Sherlock Holmes: Watson.
- Dr Watson: Yes?
- Sherlock Holmes: Watch.
- [they move to his chemistry setup]
- Sherlock Holmes: The chemical reaction you are about to witness will solve the mystery concerning the persecution of Mr John Vincent Harden.
- Dr Watson: Oh. Excellent! The tobacco millionaire. Shall I take notes?
- Sherlock Holmes: No, I will dictate in the fullness of time.
- [last lines]
- Dr Watson: Is that the answer, Holmes?
- Sherlock Holmes: Yes, that is the answer, Watson. Come on, let me explain.
- Sherlock Holmes: And Carruthers, you made the mistake of falling in love with her.
- Carruthers: The first time that ever I knew what love was, Mr. Holmes.
- Sherlock Holmes: Why didn't you tell her of the danger she was in?
- Carruthers: Because-because she would have left me, and I couldn't bear to face that.
- Carruthers: Oh, what will happen to my daughter, Sarah?
- Dr Watson: We'll see she's well taken care of.
- Carruthers: You see, even if she couldn't love me, it meant a great deal to see her about the house and hear the sound of her voice.
- Dr Watson: You may call it love, Mr. Carruthers, I should call it selfishness.
- Carruthers: Maybe the two things go together.
- Carruthers: But I tried to protect her,