Sandra Dickinson: Sandra Dickinson. Actress: Balto. Sandra Dickinson was born on 20 October 1948 in Washington, District of Columbia, USA. She is an actress, known for Balto (1995), Ready Player One (2018) and Supergirl (1984). She has been married to Mark Osmond since 16 August 2009. She was previously married to Peter Davison and Hugh Dickinson.
Known For: Balto (SylvieDixieRosy's Mother(voice, as Sandra Searles Dickson)), Ready Player One (Old Boxing Woman), Supergirl (Pretty Young Lady), The Batman (Dory)