Currently available on 3 streaming services.

Streaming, rent, or buy One-Punch Man – Season 1:

Currently you are able to watch "One-Punch Man - Season 1" streaming on Netflix, iflix, Max.

Cast

Makoto Furukawa
Saitama (voice)
Kaito Ishikawa
Genos (voice)
Hiroki Yasumoto
King (voice)
Kazuhiro Yamaji
Silverfang (voice)
Yuichi Nakamura
License-less Rider (voice)
Kenjiro Tsuda
Atomic Samurai (voice)
Aoi Yuki
Terrible Tornado (voice)
Saori Hayami
Hellish Blizzard (voice)
Hikaru Midorikawa
Garou (voice)