Liam Redmond credited as playing...
Mark O'Brien
- Mark O'Brien: I'm a scientist also, Dr. Holden. I know the value of the cold light of reason, but I also know the deep shadows that light can cast.
- Mark O'Brien: [taking a drink] You know, the devil has something here. Very pleasant.
- Kumar: He's most dangerous when he's being pleasant.
- Mark O'Brien: Hobart, what is the order of the true believer?
- Rand Hobart: Those of us who believe that evil is good and good, evil.
- Mark O'Brien: Yes, go on.
- Rand Hobart: Who blaspheme and desecrate. In the joy of sin will mankind that is lost, find itself again.