The first night of G1 Climax 33 took place at Hokkai Kitayell in Toyohira-ku, Sapporo, Japan on July 15th, 2023.
| Actor | Role |
|---|---|
 Seiya SanadaSANADA | SANADA |
 Taula FifitaHikuleo | Hikuleo |
 Taichiro MakiTaichi | Taichi |
 William OspreayWill Ospreay | Will Ospreay |
 Kaito KiyomiyaKaito Kiyomiya | Kaito Kiyomiya |
 Yota TsujiYota Tsuji | Yota Tsuji |
 Kazuchika OkadaKazuchika Okada | Kazuchika Okada |
 Tomoyuki OkaGreat-O-Khan | Great-O-Khan |
 Shota UminoShota Umino | Shota Umino |
 Ren NaritaRen Narita | Ren Narita |
 Kenta KobayashiKENTA | KENTA |
 Tevita FifitaTanga Loa | Tanga Loa |
 Steven OwensChase Owens | Chase Owens |
 Gabriel McMenaminGabe Kidd | Gabe Kidd |
 Riley VigierEl Phantasmo | El Phantasmo |
 Nobuo YoshihashiYOSHI-HASHI | YOSHI-HASHI |
 Kevin FooteKevin Kelly - English Commentary | Kevin Kelly - English Commentary |