In 2001, he began his career as a professional actor in the telefilm entitled “The Third Degree“, in which the character of Jason. One more time he worked in this same field, in the telefilm entitled “Splitsville“.
He also did different works for cinema, among which the following stand out: “Aller simple pour Manhattan“,”The Plight of Clownana“,”Life Happens” Y “Billy: The Early Years“.
Another of the fields in which he made his foray was that of the series, being part of different casts, such as: “Angel“,”Tru calling“,”North Shore“(characterizing Jason matthews between 2004 and 2005), “House“,”CSI Miami“,”Bones“,”Without a trace” Y “Valentine” (Interpreting Danny Valentine throughout 8 episodes).
At present, he works as Nate bazile in the series titled “Life unexpectedHe is also working on a new television drama series that will be released by The CW Network in September 2011; the series will be titled “Ringer“and its protagonist will be the actress Sarah Michelle Gellar. Kristoffer will play the role of Henry.
In regards to his personal life, he is married to the actress Julianne Morris, with whom he had his three children: Kristoffer Caleb Polaha, Jr., Micah Y Jude.