Lea Salonga (Kei Kimura), George Takei (Sam Kimura/Ojii-chan), Telly Leung (Sammy Kimura), Katie Rose Clarke (Hannah Campbell), Michael K Lee (Frankie Suzuki), Christòpheren Nomura (Tatsuo Kimura), Greg Watanabe (Mike Masaoka), Darren Lee (Dr. Tanaka/Ben Masaoka), Rumi Oyama (Mrs. Tanaka), Shea Renne (Betsy Tanaka), Scott Watanabe (Mr. Maruyama), Janelle Toyomi Dote (Mrs. Maruyama/Executor), Aaron J Albano (Tom Maruyama), Momoko Sugai (Peggy Maruyama), Marcus Choi (Johnny Goto), Elena Wang (Nan Goto), Dan Horn (Private Evans/Recruiting Officer/Big Band Singer), Scott Wise (Director Dillon/Farmer/Photographer), Kevin Munhall (Private Knight/Federal Agent/Tule Lake Guard)