24 June 1985: death of Valentine Dyall, who played the Black Guardian in The Armageddon Factor (Fourth Doctor, 1979), Mawdryn Undead, Terminus, and Enlightenment (all Fifth Doctor, 1982). And Slarn in Slipback (Sixth Doctor audio, 1985).
24 June 1991: birth of Yasmin Paige, who played Maria Jackson in the first series of the Sarah Jane Adventures (2007) and a couple of stories in the second series (2008).
ii) broadcast anniversaries
24 June 1967: broadcast of sixth episode of The Evil of the Daleks. Everyone is brought to Skaro, where the Emperor Dalek instructs the Doctor to transform humanity into Daleks.
24 June 1972: broadcast of sixth episode of The Time Monster, ending Season 9 of Old Who. The Doctor defeats the Master, but persuades Kronos to spare his life; Atlantis is destroyed.
24 June 2006: broadcast of Fear Her. The Doctor finds the alien Isolus in a child's drawings, and he and Rose deal with it using the 2012 Olympic flame.
24 June 2017: broadcast of World Enough and Time. The Doctor decides to test how good Missy has become by sending her on a trial run with Bill and Nardole. However, when things go wrong, the Doctor takes over. With Bill trapped in a different time zone, can the Doctor make it to her before it is too late, and who are all those people getting cured?