The man they encounter at the Flame station is named Mikhail Bakunin. This is actually the name of a 19th century Russian political theorist who was very influential in the development of anarchism as a political movement.
Translation from Russian. Klugh: "Mikhail, you know what to do." Mikhail: "We still have a chance!" "We cannot risk it. You know the situation." "There is another way out!" "Do it, Mikhail" "Forgive me (shot)." In the official Russian version, the speech was re-dubbed by Russian voice actors.
When Sayid tells Sami, the restaurant owner he meets in Paris, that he's Syrian, Sami tells him in Arabic, "You are as much of an Iraqi as I am." In actuality, neither actor is Iraqi. Naveen Andrews is British, born in London to parents from South India, while Shaun Toub (Sami) was born in Iran.
Mikhail mentions the greatest ever gymnast, whom he named his cat after is Nadia Comaneci. Comsneci began gymnastics in kindergarten with a local team called Flacara ("The Flame") "The Flame" is the name of the dharma station Mikhail is based in.