Carlene Belsey is a fictional character from the television series The Bletchley Circle. She is portrayed as a skilled codebreaker who, along with her friends, uses her intelligence to solve crimes in post-World War II England. The show highlights her resourcefulness and determination in a male-dominated society. In the series, Carlene's character represents the contributions of women during the war, particularly in fields like cryptography and intelligence. Her story emphasizes themes of friendship, empowerment, and the importance of collaboration in overcoming challenges.