One of the best casts of Grease I ever worrked with:
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From left to right: John Everson (Kenicke), ??? (Marty), Randi Graff (Rizzo), ???(Jan), Jim Shankman (Sonny), Bob Reynolds (Danny), Lisa Orberg (Frenchy), Scott Robertson (Rump), Jay Lowman (Doody).

I thinks this one speaks for itself.