Glenda Jackson
From Tardis Wiki, the free Doctor Who reference
Upon Donna Noble briefly landing in the malfunctioning TARDIS on stage in 1970s London, Eric Morecambe sarcastically asked her if she was "Miss Glenda Jackson" and told her to leave as she was not on The Generation Game. (COMIC: Untitled [+]Loading...["Untitled (DWM 598 comic story)"])
Behind the scenes
In real life, Glenda Jackson was an English actress-turned-politician who made several prominent comedic appearances on The Morecambe & Wise Show, which Morecambe alludes to to Donna.