She began acting in film in 1982 making several appearances such as in the 1983 James Bond spoof Agentti 000 ja kuoleman kurvit opposite actors Ilmari Saarelainen and Tenho Sauren and in the 2001 Timo Koivusalo film Rentun ruusu more recently.
In film, Ojansivu has worked with director Timo Koivusalo on several occasions appearing in the film Rentun Ruusu in 2001 and in the 2003 film Sibelius alongside actors such as Martti Suosalo, Heikki Nousiainen, Seela Sella, Miina Turunen, Vesa Vierikko, Raimo Grönberg and Jarmo Mäkinen.