On the series, Pettie will play a heroic former WWII pilot named Vince Broyles, who is allowed to commandeer Pan Am aircraft for his personal use.
The main cast features Christina Ricci as Maggie, Kelli Garner as Kate, Karine Vanasse as Colette, Margot Robbie as Laura, Jonah Lotan as Dean and Michael Mosley as Ted.
Pettie, who was seen in the Roundabout production of Tennessee Williams' The Milk Train Doesn't Stop Here Anymore, made his Broadway debut as Reg Nuttall in Butley. His other theatre credits include Dedication or the Stuff of Dreams at Primary Stages, Spatter Pattern at Playwrights Horizons and Hobson’s Choice at the Atlantic Theater, among others. He is best known for playing the role of Lee Garner, Jr. on the hit AMC series "Mad Men."
"Pan Am" airs Sunday nights on ABC at 10 PM ET.