Main Characters Juha Viitasalo 6 main appearances Artur Deminoff 6 main appearances Vladimir Koljakov 6 main appearances Satu Haapala 6 main appearances Pekka Manninen 3 main appearances Nadja Ivanova 3 main appearances Andrej 3 main appearances Tomas Mattila 3 main appearances Jarkko 'Jakke' Venhunen 3 main appearances Nina Lehto 3 main appearances