Gillian Anderson

Gillian Anderson was a guest at the Mars landing party in 1997, and arrived at the party just before Bernice Summerfield and the Eighth Doctor, who saw her enter. (PROSE: The Dying Days)

Behind the scenes

 * In real life, Gillian Anderson is well known for playing Dana Scully in the science fiction television series The X-Files. Although her character has been referenced by name several times in the Doctor Who universe, Anderson has not yet been identified as the actress who portrayed her.
 * Anderson, starting in 2019, portrayed Jean Milburn in the acclaimed series, alongside Ncuti Gatwa.