Betsy Rue has been casted for the part of Shawnelle.
From the casting call Episode 2.01 – Nothing But The Blood:
“Trouble on legs,” this sexy barfly in her 20s propositions Jason (Ryan Kwanten), and when that fails, tries to work her wiles on his companion, Hoyt. She’s a real siren, out for a good time…2 speeches & 3 lines, 1 scene (44)
Betsy Rue will be seen in the upcoming Black Friday 3D and My Bloody Valentine. She has appeared in several TV shows, including How I met your Mother and According to Jim.