Martti Juhani Suosalo is a Finnish actor and singer. While most of his work has been in television, in 1999, Suosalo appeared in just about every major film produced in Finland that year, appearing on the big screen in films such as Rentun ruusu, Sibelius and Lapin kullan kimallus. He voiced the Finnish janitor Ahti in the 2019 video game Control by Remedy Entertainment, for which he won the British Academy Games Award for Performer in a Supporting Role.