Sandra

Sandra is a given name. It is also a nickname for Alexandria and variations thereof.

Only name given

 * Sandra (DW: The Christmas Invasion)
 * Sandra (DW: The Lodger)
 * Sandra (EDA: The Space Age)
 * Sandra (QR: I am a Dalek)

First name

 * Sandra Applegate (TWN: Another Life)

Behind the scenes

 * Sandra Bryant, who played Kitty in DW: The War Machines and Chicki in DW: The Macra Terror.