While attending Seijo High School, he appeared in numerous socialist films such as Ashizuri Misaki.

In 1961 he became a prominent Uta no Ehon as the first generation guy from the Taisho Era ("Taisō no Onīsan") and in 1964, he married co-star Nobuyo Ōyama.

As a successor to Yukio Aoshima and Kokontei Shinba VIII in Ohiru no Wide Show, he served as a presenter in various fields including six years from 1980.

In 2013, Sagawa also announced that he had rejected early stomach cancer[2] but was not treat anticancer drug.

[3] In May 2009, he appeared in NHK Educational TV's 50th anniversary commemorative special program ETV50: Kodomo no Hi Special -Do Mitai Kyōiku TV Dai 2-dan- (Namahōsō) Okaasan to Issho as the first generation "Taisō no Onīsan", for the first time in about 40 years in costume and showed exercise gymnastics[4] with the song "Genki ni Ichi, Ni".