Happy 70th birthday (belated)
(29th June 1943)
Maureen O'Brien played Vicki in 1965 during William Hartnell's tenure as the Doctor. She replaced Carole Ann Ford (Susan), and made her debut in the serial The Rescue and left in The Myth Makers.
Recently, O'Brien has worked on a number of Doctor Who-related audio plays for Big Finish Productions, initially playing a new character for the Dalek Empire IV miniseries, as well as for AUDIO: Year of the Pig, then reprising the role of Vicki for the Companion Chronicles. She has also participated in DVD commentaries and interviews for BBC Video releases of stories from her era.
With William Hartnell (The Romans: Inferno 1965)