Distance runner Mo Farah, a double Olympic champion, and diver Tom Daley, who won a bronze medal at London 2012, will be in action too over the course of the next few days.
The stunt double is a professional scuba diver, and she's used to scuba diving".
Like a high diver adding a double twist to a triple flip, this significantly ups the degree of evolutionary difficulty.
Among the other highlights over the three-day competition in Sheffield were local diver Freddie Woodward, who won double gold in the 1m springboard and the 3m synchro on Friday, and Victoria Vincent, who on Saturday took the 10m platform title.
Many are gathered by dredging, and these start at around 75p apiece, but the more sustainable, diver-caught ones are often double that.
Elon Musk has doubled down on his tirade against British diver Vernon Unsworth.
Love and death intertwine throughout, a double-helix that gives Divers its pulsing emotional lifeblood.
Talented Mexican diver German Sanchez Sanchez also missed out, as did Russia's Gleb Galperin, a double bronze medallist in Beijing.
And Australia's Olympic gold-medal winning diver Matthew Mitcham tweeted: "@TomDaley1994 my thoughts are with you *hugs*." Britain's double Olympic champion Rebecca Adlington said: "My thoughts are definitely with @TomDaley1994 and his family at this horrible time!
"If President Obama were an Olympic diver, he would have just scored very high for his flawless performance of a double flip," wrote National Catholic Reporter columnist Michael Sean Winters.
Like the Brasserie, Brasserie 8 1/2 offers a daily special, starting Monday with seared diver scallops with fava bean puree and chanterelles and finishing up on Saturday with a double threat: roasted rack of lamb and a cassoulet of summer beans.
