Undark has five experienced members. The singer of the band is Tomi Kurtti, who has also been with the bands Mysterizer and Northern Corps. On the lead guitar is a long-time heavy metal musician Petri Sääskö from Oulu (for example Afterworld and Solution 13), whose career began in the early '90's. Bass player Tomber Riikonen joined the band basically at the same time in the end of 2024 with the second guitarist Heikki Veijola. Tomber and Heikki have been playing with many bands, for example Mournful Lines and Sepulchre to mention a few. Playing the drums is Janne Kiiveri, who also joined the band in 2024 - his former bands include for example Myrkkykieli.  The music from the members of the band has been published worldwide. 

- Metalliluola 14.3.2026