The cast will return to the Ogunquit, ME, theatre for a return engagement Sept. 15-Oct. 6.
Foster, a Tony nominee for Little Shop of Horrors, will play Jerry, the leader of the gang of unemployed Buffalo, NY, steel workers who decide to strip for money. Struthers plays their accompanist, Jeanette.
Dalton, who plays Ethan, reached the top 24 in the NBC reality show "Grease: You’re The One That I Want," but was not one of the 12 finalists. He has performed in the Las Vegas production of Hairspray and a national tour of Hair.
Keith Andrews will direct and choreograph the show, which has music and lyrics by David Yazbek and a book by Terrence McNally and which ran on Broadway for 35 previews and 770 performances from 2000-02. Ken Clifton will serve as music director.
Struthers and Foster both appeared in the 1994 Broadway revival of Grease. Foster's other Broadway credits include The Producers, Urinetown, Les Misérables and Footloose.
Struthers, returning for her fifth season at the Ogunquit Playhouse, is perhaps best known for starring in "All in the Family" and serving as an advocate for impoverished children in developing countries. She has also appeared on Broadway in The Odd Couple and Wally's Cafe.
Tickets can be purchased by calling 207-646-5511 or visiting www.ogunquitplayhouse.org.