Marta Lefebvre is a character from the hit Netflix series 'Squid Game'. Marta is a determined, sharp-witted, and compassionate contestant who has an eye for detail. She is well-versed in Korean culture and language, which often gives her an advantage in the games. Marta is not fond of violence, but her survival instincts lead her to participate in the dangerous games to help her family. She forms a tentative alliance with Player 067, and together they navigate the deadly challenges. Marta stands out with her distinctive red sweater and mask, and her skills and empathy become key factors in her and her allies' survival.