Sergio Kato was born in Brazil, City, Rio de Janeiro, making his first starring role in "Brenda Starr" with Brooke Shields. He did also the film: "Only the Strong". In the early 80s Sergio instructed martial arts classes at East Los Angeles College. After meeting Maureen Carey Hearn (his ex-wife). Sergio and Carey lived in Beverly Hills until their separation in 1992.