We don't have a biography for Joonas Koskinen yet. Hang in there, or go ahead and contribute one.
Appearances
Mustat Lesket
Guest cast, played by Alex Anton
- Episode 1x02: Rikas, rakas, köyhä, varas (Mar 17, 2014)
- Episode 1x03: Timantin muotoinen kyynel (Mar 24, 2014)
- Episode 1x04: Vääriä viestejä (Mar 31, 2014)
- Episode 1x05: Väistöliike (Apr 7, 2014)
- Episode 1x06: Pahaa hyvää (Apr 14, 2014)
- Episode 1x07: Totuus (Apr 21, 2014)
- Episode 1x08: Kaksoiselämää (Apr 28, 2014)
- Episode 1x09: Mikäs pahan tappaisi (May 5, 2014)
- Episode 1x10: Omaa parasta (May 12, 2014)
- Episode 1x11: Naismafian kuski (May 19, 2014)
- Episode 1x12: Sodassa ja rakkaudessa (May 26, 2014)
- Episode 2x01: Joku haluaa meidät hengiltä (Mar 14, 2016)
- Episode 2x02: Pippelin muotoinen boli-boli (Mar 21, 2016)
- Episode 2x07: Kuollut mies kummittelee (Apr 25, 2016)
- Episode 2x08: Mystinen partneri (May 2, 2016)
- Episode 2x09: Ramin kesä -77 (May 9, 2016)
- Episode 2x10: Kuka olikaan voittaja? (May 16, 2016)
- Episode 2x11: Silminnäkijä (May 23, 2016)
- Episode 2x12: Totuus (May 30, 2016)