Look Who’s Back for the ‘Madam Secretary’ Series Finale McCord Wedding (PHOTOS)

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Leaving The Station
Sarah Shatz/CBS
Leaving The Station
Mark Schafer/CBS

Eric Stoltz, Ali Krieger, Ashlyn Harris, Tim Daly, Téa Leoni, Erich Bergen, Allie Long Crystal Dunn, Zeljko Ivanek, and Kevin Rahm

Leaving The Station
Mark Schafer/CBS

Cicely Tyson as Flo Avery, Erich Bergen as Blake Moran, Sabina Zúñiga Varela as Angel Lopez, Téa Leoni as Elizabeth McCord, Ali Krieger, Ashlyn Harris, Crystal Dunn, and Allie Long

World Cup Champion U.S. Women's Soccer Team Members Ali Krieger, Ashlyn Harris, Allie Long, and Crystal Dunn with Téa Leoni
Mark Schafer/CBS

Ali Krieger, Ashlyn Harris, Allie Long, and Crystal Dunn with Téa Leoni

Tea Leoni as Elizabeth McCord and Erich Bergen as Blake Moran in Madam Secretary - 'Leaving The Station'
Mark Schafer/CBS

Elizabeth and Blake (Erich Bergen)

Zeljko Ivanek as Russell Jackson in Madam Secretary - 'Leaving The Station'
Mark Schafer/CBS

Russell (Zeljko Ivanek)

Madam Secretary - Kevin Rahm as Mike B, Zeljko Ivanek as Russell Jackson, and Téa Leoni as Elizabeth - 'Leaving The Station'
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Mike B (Kevin Rahm), Russell, and Elizabeth

Madam Secretary - Leaving The Station - Téa Leoni
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President Elizabeth McCord

Tyne Daly as Senator Amy Ross in Madam Secretary - 'Leaving The Station'
Sarah Shatz/CBS

Tyne Daly guest stars as Senator Amy Ross.

Téa Leoni as Elizabeth McCord and Sebastian Arcelus as Jay Whitman in Madam Secretary - Leaving The Station
Mark Schafer/CBS

Elizabeth and Jay (Sebastian Arcelus)

Erich Bergen as Blake Moran, Patina Miller as Daisy Grant, and Geoffrey Arend as Matt Mahoney in Madam Secretary - 'Leaving The Station'
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Look who’s back!

Wallis Currie Wood as Stevie McCord in Madam Secretary - 'Leaving The Station'
Mark Schafer/CBS

Stevie (Wallis Currie Wood)

Leaving The Station
Mark Schafer/CBS

Sisters

Keith Carradine as Conrad Dalton and Téa Leoni as Elizabeth McCord in Madam Secretary - 'Leaving The Station'
Sarah Shatz/CBS

Keith Carradine returns as Conrad Dalton.

Leaving The Station
Sarah Shatz/CBS

Henry (Tim Daly) walks Stevie down the aisle.

Tea Leoni as Elizabeth McCord and Tim Daly as Henry McCord in Madam Secretary - 'Leaving The Station'
Sarah Shatz/CBS

The McCords watch their daughter get married.

Wallis Currie-Wood as Stevie McCord getting married in Madam Secretary - 'Leaving The Station'
Sarah Shatz/CBS

The bride

Wallis Currie-Wood as Stevie McCord and Chris Petrovski as Dmitri Petrov in Madam Secretary - 'Leaving The Station'
Sarah Shatz/CBS

Stevie and Dmitri (Chris Petrovski)

Zeljko Ivanek as Russell Jackson in Madam Secretary - 'Leaving The Station'
Sarah Shatz/CBS

What does that say?

Roe Hartrampf as Trevor Kingston and Erich Bergen as Blake Moran in Madam Secretary - 'Leaving The Station'
Sarah Shatz/CBS

Trevor (Roe Hartrampf) and Blake

Leaving The Station
Sarah Shatz/CBS

Father/daughter dance

Wallis Currie Wood as Stevie McCord, Chris Petrovski as Dmitri Petrov, Evan Roe as Jason McCord, and Kathrine Herzer as Alison McCord in Madam Secretary - 'Leaving The Station'
Sarah Shatz/CBS

The McCord siblings and Stevie’s husband

Tim Daly as Henry McCord giving a toast in Madam Secretary - 'Leaving The Station'
Sarah Shatz/CBS

Speech!

Evan Roe as Jason McCord in Madam Secretary - 'Leaving The Station'
Sarah Shatz/CBS

Jason (Evan Roe)

Kevin Rahm as Mike B., Zeljko Ivanek as Russell Jackson, Sebastian Arcelus as Jay Whitman, Geoffrey Arend as Matt Mahoney, and Patina Miller as Daisy Grant - 'Leaving The Station'
Sarah Shatz/CBS

Mike B., Russell, Jay, Matt, and Daisy

Chris Petrovski as Dmitri Petrov and Wallis Currie-Wood as Stevie McCord in Madam Secretary - 'Leaving The Station'
Sarah Shatz/CBS

The happy couple!

Tea Leoni as Elizabeth McCord and Tim Daly as Henry McCord in Madam Secretary - 'Leaving The Station'
Sarah Shatz/CBS

The happy couples, with Peter Frampton

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Madam Secretary‘s run is coming to an end, and when it says goodbye, the drama will do so with several esteemed guest stars — and a wedding!

In the series finale, World Cup Champion U.S. Women’s Soccer team members Crystal Dunn, Allie Long, Ashlyn Harris, and Ali Krieger visit the White House to help Elizabeth (Téa Leoni) kick off a new landmark political initiative. Also appearing in the episode alongside the athletes is acting icon Cicely Tyson as Flo Avery, who was born the day women were granted the right to vote. Tyne Daly will join brother Tim Daly on the series to play Ohio’s Senator Amy Ross, who opposes the initiative.

“Leaving the Station” will also see the McCords overcoming last-minute obstacles to pull off a spectacular family celebration with a reunion of familiar faces and another performance from Grammy Award winner Peter Frampton. (He previously performed in Season 5.)

Click through the gallery above for a look at the finale.

Madam Secretary, Series Finale, Sunday, December 8, 10:30/9:30c, CBS