Horatio Sanz by Joe Kohen/WireImage.com Horatio Sanz by Joe Kohen/WireImage.com
Saturday Night Live alum Horatio Sanz is the latest to be cast in the ABC fall comedy,

Bad Mother's Handbook, sources tell TVGuide.com. Sanz is slated to play Charlotte's ( Alia Shawkat) father, Matt. Thus far, the show already has an impressive starting roster. Alicia Silverstone will play a 32-year-old mom who's caring for both her teen daughter and her middle-aged mother, who will be played by Megan Mullally. What remains to be seen is where Silverstone and Sanz are in their relationship: Is he the ex? Are they together? At the very least, they're going to have scenes together, right? With so much talent wrapped up already, the comedy at least has some solid underpinnings for its debut, plus it will be eye-opening (we hope) to see Sanz in a recurring, scripted role. Will you be tuning in? - Anna Dimond
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to catch Horatio's hilarious SNL skits and more. Related: " Pilot News: Alicia Silverstone Is One Bad Mother " Megan Mullally to Play Silverstone's Bad Mama