Timothy Olyphant- Movies, Age, Married, Children, Salary, TV Shows, Nationality, Relationship, Ethnicity, Who is Timothy Olyphant's wife? The actor has been married to his wife Alexis Knief since 1991 and the two have three children. What is Alexis Knief's net worth in 2019? The actor has a net worth of around $20 million. How tall is Alexis Knief? He has a height of 6' (1.83 m).