Where to watch
Not available in United Kingdom
Streaming in 1 other country
Blue isn't on any streaming service in United Kingdom right now, but it's available in South Korea. Streaming rights are licensed per country.
Cast · Directed by Lee Jung-gook
SH
Shin Hyun-jun
Kim Jun
SE
Shin Eun-kyung
Kang Su-jin
KY
Kim Young-ho
Lee Tae-hyeon
GH
Gong Hyung-jin
Park Soon-il
RS
Ryu Soo-young
Lee Kyeong-il
LI
Lee Il-jae
Choi Hyeong-su
KH
Kim Hae-gon
Kim Jin-man
SJ
Seo Jin-ho
Kim So-yeon
CW
Cho Won-hee
Master Sergeant Song
JH
Jung Ho-bin
Master Sergeant Choi
KS
Kim Sang-geun
Submariner
JS
Jo Sang-geon
Admiral Min
More from Shin Hyun-jun · Lead actor
More from Shin Eun-kyung · Co-star actress
More from Lee Jung-gook · Director
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Blue — streaming FAQ
Which OTT platform streams Blue?
Blue isn't on any streaming service in United Kingdom yet, but it's available in South Korea. Streaming rights differ by country — switch your country in the header to see where.
Is Blue on Netflix?
No, Blue is not on Netflix in United Kingdom as of October 2026.
Is Blue on Amazon Prime Video?
No, Blue isn't on Amazon Prime Video in United Kingdom right now.
Where can I watch Blue for free?
Blue isn't streaming in United Kingdom yet, so there's no way to watch it free at the moment.
