David McCallum credited as playing...
Donald Mallard
- Dr. Donald 'Ducky' Mallard: [Referring to bachelor parties] I could tell you stories that would make your hair curl.
- Jimmy Palmer: Go on.
- NCIS Special Agent Leroy Jethro Gibbs: [enters] No, it's better he doesn't.
- Dr. Donald 'Ducky' Mallard: Oh Jethro, can't I tell him about the time when...?
- [off Gibbs's look]
- Dr. Donald 'Ducky' Mallard: Better I don't.
- NCIS Special Agent Leroy Jethro Gibbs: [discovering that the victims have shaved heads] Duck?
- Dr. Donald 'Ducky' Mallard: Even the sharpest of razors on a... on a shave this close would cause pseudofolliculitis barbae, a.k.a...
- Jimmy Palmer: Razor burn.
- Dr. Donald 'Ducky' Mallard: Yeah. However, note the complete lack of dermabrasive disruption. Whoever did this did so after they were dead.