Squid Game 3 bought in the unexpected with cameos from past characters, new games and challenges to introduction of ultra-rich VIPs who served as the centerpiece watching the climax. These group cherished the deadly games as players lost their lives during the games. In a recent article by Radio Times their identities have been revealed.
About the 5 VIPs in Squid Game Season 3

Lawyer Kevin Yorn, having experience in entertainment, was one of the mask man in Squid Game Season 3. He worked with the Squid Game creator, writer and director Hwang Dong Hyuk at Yorn Levine. As per Deadline, the two parties entered in terms on January 2022.
Post the global stardom and warmth from across the globe for the thriller series, the director felt a need for a legal representation. The remaining two mask man are associated with the showbiz.
David Sayers, an actor from the UK, an origin from Hastings, holds a constructive year of experience of theatrical productions in the UK and beyond. He appeared in various short films and the Indian (Hindi-language) thriller Operation Mayfair.
Jane Wong is the sole female VIP in Squid Game 3. She belongs from Hong Kong and starred in local crime dramas including Raging Fire and Bursting Point.
Bryan Bucco is from New Jersey in the United States, fairly proficient in basic Korean, and as quoted in his LinkedIn profile, he has experience in teaching English in South Korea.
Jordan Lambertoni, the last of the lot has French origins and also holds proficiency in Korean. He was recently seen as an Olympic archer in the local film Amazon Bullseye.