[2] He was a son-in-law of ship-owner Rudolf Olsen, and the family inherited large properties including the manor Dirhue at Tjøme.

[6] He played a long series of Ibsen characters, such as "Hertug Skule" (from The Pretenders), "Peer" (from Peer Gynt), "Rosmer" (from Rosmersholm), "Brack" (from Hedda Gabler), "Helmer" (from A Doll's House), "Rubek" (from When We Dead Awaken), "Solness" (from The Master Builder), "Borkman" (from John Gabriel Borkman) and "Julian" (from Emperor and Galilean).

[1] During the Second World War, Wigert was a member of the Norwegian Independent Company 1, recruited by former actor and leader of the group Martin Linge.

[8] He participated in the Operation Archery raid at Måløy in 'December 1941, and later graduated as a lieutenant from the Royal Military College, Sandhurst in 1943.

[1] He published the book Landflyktig in 1945, describing his travel via Stockholm, Moscow, Istanbul, Cairo and South Africa to England, and later service in the army.