Ginny & Georgia - Wikipedia
en.wikipedia.org › wiki › Ginny_&_GeorgiaMain [ edit] Brianne Howey as Georgia Miller, 30+-year-old single mother of Ginny and Austin. Nikki Roumel as Teenage Georgia Miller. Antonia Gentry as Ginny Miller, Georgia's teenage daughter, who is more mature than her dynamic mother. Diesel La Torraca as Austin Miller, Georgia's 9-year-old son and Ginny's half-brother who shares an avid interest in Harry Potter.