Question: who plays the new vice president on madam secretary
Answer: The Dalton Cabinet Office Name Term President Conrad Dalton ( Keith Carradine ) 2013 -- Vice President Mark Delgado ( Alex Fernandez ) 2013 -- 2017 Teresa Hurst ( Jan Maxwell / Jayne Atkinson ) 2017 -- Secretary of State Vincent Marsh ( Brian Stokes Mitchell ) 2013 -- 2014 Elizabeth McCord ( Téa Leoni ) 2014 -- Secretary of Treasury Max Quinn ( Michael Cumpsty ) 2013 -- 2014 Secretary of Defense Gordon Becker ( Mike Pniewski ) 2013 -- Attorney General Mary Campbell ( Anna Deavere Smith ) 2013 -- 2015 Louise Cronenberg ( Leslie Hendrix ) 2015 -- 2016 Unknown ( Shown in `` French Revolution '' ) 2016 -- 2017 Nolan ( John Bolton ) 2017 -- Chief of Staff Russell Jackson ( Željko Ivanek ) 2013 -- Nat