Guest Stars Neil Grayston as Alec Kari Matchett as Beth Chelan Simmons as Gretchen Speck-Horowitz Co Starring Jeffrey R. Smith voices Muse Sandra Caldwell voices Muse Zoé Doyle as Cindy Michael Buie as Chuck Aronson Gerry Fiorini as Pizza Delivery Guy Noah Klar as Robert Horowitz Sarah Armenia as Tow Truck Driver Mark Andrada as Volunteer Marcia Johnson as Nurse