Mckenna Grace was an actress on what show that premiered on September 21, 2016?
Mckenna Grace: Mckenna Grace (born June 25, 2006) is an American child actress. Mckenna Grace:  s of 2016 , she plays Penny Kirkman in the ABC television series "Designated Survivor". Designated Survivor (TV series): Designated Survivor is an American political drama television series created by David Guggenheim, starring Kiefer Sutherland, airing on ABC.
i don't know