Is this the first Godzilla series to have so many characters carried over from one movie to the next?
The Heisei continuity had four recurring characters -- G-Force psychic Miki Saegusa (Megumi Odaka), government minister Takayuki Segawa (Kenji Sahara), G-Force Commander Takaki Aso (Akira Nakao), and G-Force deputy commander General Hyodo (Koichi Ueda), as well as bringing back Emiko Yamane (Momoko Kōchi) from the original film, which was counted as part of the Heisei continuity. Shelley Sweeney appeared as a minor G-Force member in two consecutive Heisei films, but it's unclear if she was meant to be the same character in both. So that's five to six returning characters, not counting kaiju.
The two Kiryu movies,
Godzilla Against Mechagodzilla and
Tokyo S.O.S., have seven cast members appearing in both films:
- Akane Yashiro (Yumiko Shaku): Pilot of Kiryu/Mechagodzilla
- Lt. Togashi (Ko Takasugi): Backup Kiryu/White Heron pilot
- Lt. Hayama (Yusuke Tomoi): Backup Kiryu/White Heron pilot
- Hayato Igarashi (Akira Nakao): Prime Minister of Japan
- Chief Hitoyanagi (Takeo Nakahara): Head of JXSDF
- General Dobashi (Koichi Ueda): Member of JXSDF
- Dr. Gorou Kanno (Naomasa Musaka): JXSDF scientist
So how many recurring characters have there been in the MonsterVerse (counting the
Monarch TV series as a single production)? Let's see...
- Ishiro Serizawa (Ken Watanabe): Godzilla; Godzilla: King of the Monsters
- Vivienne Graham (Sally Hawkins): G, KOTM
- William Stentz (David Strathairn): G, KOTM
- Bill Randa (John Goodman, Anders Holm): Kong: Skull Island, Monarch: Legacy of Monsters
- Houston Brooks (Corey Hawkins, Joe Morton): KSI, KOTM
- Mark Russell (Kyle Chandler): KOTM, Godzilla vs. Kong
- Madison Russell (Millie Bobby Brown): KOTM, GVK
- Ilene Andrews (Rebecca Hall): GVK, Godzilla X Kong: The New Empire
- Jia (Kaylee Hottie): GVK, GXK
- Bernie Hayes (Brian Tyree Henry): GVK, GXK
So yes, technically MonsterVerse has the record for returning characters, but none of them have been in more than two different productions. Miki Saegusa, Takayuki Segawa, and Commander Aso are the only human characters to appear in more than two Godzilla-universe films, and Miki is the only one to appear in more than three, having been in six of the seven Heisei-continuity films.