Johnny Blood: A hot-headed young cowboy in love with Bella, Johnny sings tenor.
Father Morse: An Irish Franciscan priest; Father Morse sings baritone.
Sheriff Martin Greeen: An old-time Western lawman who falls in love with Susanna, Sheriff Green sings baritone.
Susanna, aka Sister Mary Jo: A novice nun and Johnny’s sister, Susanna sings soprano
Governor von Richterhenkenpflichtgetruber: The German territorial governor, Richterhenkenpflichtgetruber sings baritone
Bella Rosa: A saloon girl in love with Johnny, Bella can belt out a song.
Big Swede
Bartender
Chorus of Cowboys, Saloon Girls, Government Clerks, and Nuns