The TBS Akasaka ACT Theater (ja|TBS赤坂ACTシアター) is a theatre located in Akasaka, Minato, Tokyo, Japan. Completed in 2008, the four-storey high theatre has a capacity of 1,324 seats. In September 2014 the theatre is showing Arthur Kopit's musical version of the Gaston Leroux classic, The Phantom of the Opera.[1] The theater is dedicated to the stage production of Harry Potter and the Cursed Child from June 2022.[2] [3]