Ryan Stone wearing Demidov's spacesuit.

L. Demidov (
Л. Демидов)
was a Russian astronaut on board the International Space Station and a crew member of the Soyuz TMA-14M during the events of Gravity.


Little is known of Demidov's life or experience. Judging by the patches on his suit, however, it is shown that he was a member of an unnamed Soyuz TMA mission and ISS Expedition 42.

Demidov is never seen nor mentioned in Gravity. However, it is likely he was on board the ISS and evacuated it after a debris field was triggered by a Russian missile strike. His spacesuit was later worn by Ryan Stone after she arrived at the abandoned ISS.


  • "L. Demidov" is probably a reference to Leo Demidov, a character in Child 44, a series of spy novels by Tom Rob Smith. In the book series, Leo Demidov is a renegade KGB agent.
    Soyuz patch

    A mission patch of an unnamed Soyuz TMA mission, with Demidov's name on it.

    Mission 42 patch

    ISS Expedition 42 mission patch, with Demidov's name on it.

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