The setting of this episode, Virginina City, Nevada, would later be used as the location for another classic western, Bonanza.
Werner Klemperer would later win an Emmy for his portrayal of Colonel Klink on Hogan's Heroes.
Howard W. Koch, the director of this episode, was a cousin of famed gossip columnist Walter Winchell.
Ruta Lee would return in Plunder of Paradise and Betrayal.
Pappyism: Stick your nose in other people's business and you'll get it bent.
Horn: Gentlemen, Mr. Bret Maverick
Bret: Poker player.
Bret: Some men can't stand to lose ten cents, Mr. Kennedy, no matter how rich they are.
Bordeen: Your manners are bad, Maverick.
Bret: How can you tell?
Bordeen: You had your back to me.
Ellen: Not very noble, are you?
Bret: No ma'am.
Ellen: Because you have your $10,000?
Bret: Yes, ma'am.
Bret: Mixing in other people's business isn't my profession, Mr. Jennings.
Ellen: Don't be a spoiled sport, Bret.
Bret: I wouldn't think of it.
Ellen: Well, you're not the most grateful of men. I just saved your life.
Bret: You also got rid of a bad conscience.