Johnson and Miner tied the knot on August 26 in front of family and friends in Palos Verdes, CA, her spokesperson told People.
The couple apparently spent their honeymoon in New York watching the USC's football team play against Syracuse.
Johnson and Miner met and began dating while attending USC several years ago.
The actress most recently starred with Will Ferrell and Zach Galifianakis in The Campaign and also was a regular on Persons Unknown.
She has also guest starred on CSI: NY, Hellcats, ER and Ugly Betty.