Megumi Hayashibara. Megumi Hayashibara was 25 in Yawara! Go Get 'Em, Wimpy Kids!! 
Toshihiko Seki. Toshihiko Seki was 30 in Yawara! Go Get 'Em, Wimpy Kids!! 
Yuko Minaguchi. Yuko Minaguchi was 26 in Yawara! Go Get 'Em, Wimpy Kids!! 
Masashi Sugawara. Masashi Sugawara was 30 in Yawara! Go Get 'Em, Wimpy Kids!! 
Yoshino Takamori. Yoshino Takamori was 28 in Yawara! Go Get 'Em, Wimpy Kids!! 
Daisuke Namikawa. Daisuke Namikawa was 16 in Yawara! Go Get 'Em, Wimpy Kids!! 
Chiyoko Kawashima. Chiyoko Kawashima was 38 in Yawara! Go Get 'Em, Wimpy Kids!! 
Ichiro Nagai. Ichiro Nagai was 61 in Yawara! Go Get 'Em, Wimpy Kids!! 
Hiroko Tokita. Hiroko Tokita was 35 in Yawara! Go Get 'Em, Wimpy Kids!! as 'Director'
Toshiki Inoue. Toshiki Inoue was 32 in Yawara! Go Get 'Em, Wimpy Kids!! as 'Screenplay'
Naoki Urasawa. Naoki Urasawa was 32 in Yawara! Go Get 'Em, Wimpy Kids!! as 'Creator, Comic Book'
Akira Kamiya