Ueda Keisuke is a Japanese actor, singer, and voice actor. Since 2007, Ueda has been involved with 2.5D musicals and other musical theatre productions, most notably as Choromatsu from Osomatsu-san on Stage: Six Men's Show Time, Yukine from the Noragami stage plays, Misaki Yata from the K stage plays, Japan from the Hetalia musicals, Pharos and Ryoji Mochizuki from Persona 3: The Weird Masquerade, Chuya Nakahara from the Bungo Stray Dogs stage plays, and Syo Kurusu from the Uta no Prince-Sama: Gekidan Shining musicals. He portrayed Sangaku Manami in both the Yowamushi Pedal stage plays and the live-action drama adaptation. As a voice actor, his leading roles include Heine Wittgenstein from The Royal Tutor and Hiroki from Pet, who he also portrayed in the tie-in stage adaptations.