The answer to the crossword for the term 'First Name in Film Designers' is Oleg, which is a four-letter name. Oleg is a Russian masculine given name derived from the Old Norse Helgi, meaning 'HOLY' or 'BLESSED'. It is also a popular name in Slavic countries such as Ukraine, Belarus, and Russia. Oleg is most famously known as the first name of Oleg Cassini, an Italian-born American fashion designer who was best known for his work in Hollywood, designing costumes for many famous actresses including Grace Kelly and Jacqueline Kennedy Onassis.