Images from Death Note: The Musical for both the Japanese and Korean productions. L is portrayed by Teppei Koike in the 2015 Japanese production and by Kim Junsu in both the 2015 and 2017 Korean productions.
Japanese 2015 production
Teppei Koike as L
Teppei Koike as L with main cast, Japanese 2015 photoshoot
Photoshoot
Korean 2015 production
Kim Junsu as L
L
L
L
Task Force, L, Light, and Ryuk
Task Force, L, Light, and Ryuk
Kim Junsu as L with main cast, Korean 2015 photoshoot