Born in Helsinki Finland from a Karelian mother who lives in Italy and Stephen Portman, a Orchestra conductor from New York, he lived his childhood between London, Florence and Los Angeles where he was drawn into the acting world at a teenager stage. He first appeared in the movie Across the Tracks with Brad Pitt and Ricky Schroder in 1989. He studied with Bobbie Shaw Chance 1992-1995 in Los Angeles, to then move to Rome under the guidance of Vincent Schiavelli in 2001-2003 as his acting coach. He is known for numerous roles always portraying the "Bad Guy", normally of Russian or Slav descent, and he is characterized by the scar on his face of unknown origin. Married with two children Alexia and Ariel Portman, from different relationships, he is acting/producing/writing Films in the Horror cult action genre. Personal quote: I don't think I have made a movie alive.
Kai Post is known for Oma Gerdi, Alarm für Cobra 11 - Die Autobahnpolizei (1996) and Nicht mein Tag (2014).
Kai Power is an actor, known for My Name Is Emily (2015).
Kai Qin is known for Fengshen (2021).
Kai Ryssdal is an actor, known for I.T. (2016), Frontline (1983) and Portlandia (2011).
Kai Scarlett Williams is an actress, known for Silencer (2018), 4Got10 (2015) and American Violence (2017).
Kai Schmoll is known for Kill the Messenger (2014), Eleventh Hour (2008) and Emilio (2008).
Kai Schreiber is known for The Jungle Book (2016).
Kai Scott is known for Reverie (2018), The Mick (2017) and Modern Family (2009).