Ken-chan no oneesan

Kaori Okamoto

Nanako Kobayashi (Ken's Sister)

Masazumi Okabe

Kentarô Yamawaki (Spaghetti Shop Owner)

Ushi Tôyama

Ken'ichi Yamawaki

Kei Ogawa

Kazunori Sasaki

Kenji Yamawaki

Tamae Kobayashi

Harumi Tsuchiya