The fifth night of New Japan Cup 2021 took place on March 10, 2021, at Sandan-ike Park Gymnasium in Fukuchiyama, Kyoto, Japan, and featured three first-round matches.
| Actor | Role |
|---|---|
 Jamie WhiteJay White | Jay White |
 Aaron HenryToa Henare | Toa Henare |
 Yujiro TakahashiYujiro Takahashi | Yujiro Takahashi |
 Nobuo YoshihashiYOSHI-HASHI | YOSHI-HASHI |
 Steven OwensChase Owens | Chase Owens |
 David Stephen Finlay IIIDavid Finlay | David Finlay |
 Hirooki GotoHirooki Goto | Hirooki Goto |
 Kazuchika OkadaKazuchika Okada | Kazuchika Okada |
 Sho TanakaSHO | SHO |
 Tomohiro IshiiTomohiro Ishii | Tomohiro Ishii |
 Tetsuya ShimizuBUSHI | BUSHI |
 Seiya SanadaSANADA | SANADA |
 Shin TakagiShingo Takag | Shingo Takag |
 Tetsuya NaitoTetsuya Naito | Tetsuya Naito |
 Satoshi KojimaSatoshi Kojima | Satoshi Kojima |
 Tomoaki HonmaTomoaki Honma | Tomoaki Honma |
 Yuji NagataYuji Nagata | Yuji Nagata |
 Tomoyuki OkaGreat-O-Khan | Great-O-Khan |
 Jeffrey CobbJeff Cobb | Jeff Cobb |
 William OspreayWill Ospreay | Will Ospreay |
 Hiroshi TanahashiHiroshi Tanahashi | Hiroshi Tanahashi |
 Joseph RobinsonJuice Robinson | Juice Robinson |
 Toru YanoToru Yano | Toru Yano |
 Yuya UemuraYuya Uemura | Yuya Uemura |
 Fale SimitaitokoBad Luck Fale | Bad Luck Fale |
 Shigeki SatoDick Togo | Dick Togo |
 Takaaki WatanabeEVIL | EVIL |
 Kenta KobayashiKENTA | KENTA |