Macpherson joked about the occupants of the polar base, including "botanists, physicists, electronic.The worried family doctor, Dr.Parsons (Henry Travers) refers Judith to a specialist, a brain surgeon named Dr.Frederick Steele (George Brent), who is in the midst of retiring and closing his office and practice.Dunson: You mean he took it away from whomever was here before.Indians maybe.Mexican: Maybe so.Dunson: Well, I""m takin"" it away from him.Mexican: Others have thought as you, senor.Others have tried.Dunson: And you""ve always been good enough to stop ""em?Mexican: Amigo, it is my work.Dunson: Pretty unhealthy job.(He backs up and warns Matt.) Get away, Matt.When the Mexican draws first, Dunson outdraws and kills him, and then sends his companion back to Diego with a warning that he land has a new owner.A whole hatful.Mary, I know what I""m gonna do tomorrow, and the next day, and next year, and the year after that.I""m shakin"" the dust of this crummy little town off my feet and I""m gonna see the world.Italy, Greece, the Parthenon, he Coliseum.Then, I""m comin"" back here to go to college and see what they know.And then I""m gonna build things.I""m gonna build airfields, I""m gonna build skyscrapers a hundred stories high, I""m gonna build bridges a mile long.