Tsuruoaka began his career in the 90s with small roles in various anime, including Digimon. More substantial regular roles followed in Soreike! Zukkoke Sanningumi (Moo-Chan), Fate/Zero (Caster), Big Order (Gennai Hoshimiya), and others. He dubbed Lucas Till in the X-Men movies, Michael Fassbender in Eden Lake, Channing Tatum in White House Down, and Tom Hardy in Tinker Tailor Soldier Spy. He voiced Balrog in the original Japanese tracks of the Street Fighter games and villain Dolgen on Zyuden Sentai Kyoryuger (footage from which was used for two seasons of the Power Rangers franchise).