He has had major roles in several TV-series like Grenseland (1980), Blodsbånd (1998, for which he was awarded an Amanda), Familjen (Swedish) and Deadline Torp (2005). He also received the Amanda Award in 1990 for his part in the NRK play Kreditorer. In 1997 he was made a Knight First Class of the Royal Norwegian Order of St Olav for his acting work.
Ousdal was diagnosed with cancer in 2008, and lost most of his eyesight due to a mistake made by surgeons during an operation to remove a tumour. He retired as an actor in November 2013, after playing the title role in a production of King Lear at the National Theatre in Oslo.