I copied this list of stars from NTV offical site. I believe the primeminister's son's role in Nurseman is the young intern doctor.(Kotaro Koizumi?)
Stars:
Masahiro Matsuoka (from TOKIO),
Natsumi Abe,
Keiichi Yamamoto,
Takako Uehara,
Kotaro Koizumi,
Jun Kunimura,
Kyoko Kishida,
Satomi, Kobayashi,
Takako Uehara,
Naomi Matsushima,
Erika Yamakawa,
Yuka Itaya,
Noriko Shiina,
Seiko Takada