Hilary Duff's breakout role on Lizzie McGuire yielded years of success for the actress that continues today, while her costars chose slightly different paths. The sitcom - starring Duff (Lizzie McGuire), Lalaine (Miranda Sanchez), Adam Lamberg (Gordo), Jake Thomas (Matt McGuire), Hallie Todd (Jo McGuire) and Robert Carradine (Sam McGuire) - aired from 2001 to 2004 and consisted of two seasons and 65 episodes. Duff also played the leading lady in the beloved Lizzie McGuire Movie in 2003 alongside several of her castmates and some new faces.