Ken Watanabe as Ishiro Serizawa

Sally Hawkins as Vivienne Graham

Millie Bobby Brown as Madison Russell

Kyle Chandler as Mark Russell

Vera Farmiga as Emma Russell

Charles Dance as Alan Jonah

Thomas Middleditch as Same Coleman

Bradley Whitford as Rick Stanton

Zhang Ziyi as Ilene/Ling Chen

Joe Morton as Houston Brooks

David Strathairn as Admiral Stenz

Aisha Hinds as Colonel Foster

O'Shea Jackson Jr as Jackson Barnes

Elizabeth Ludlow as Lauren Griffin

Anthony Ramos as Anthony Martinez

Godzilla as Himself

Rodan as Himself

Mothra as Herself

King Ghidorah as Himself

Spitka as Himself

Phoenix as Herself

Jagus as Himself

Stingclaw as Himself

Scylla as Herself

Barb as Herself

Methuselah as Himself

Behemoth as Himself