Oh, my. You guys are going to want to crack out the Kleenex for this one.
Vélez, who plays Lt. Maria LaGuerta on Showtime's hit series Dexter, tells E! that Hall and his wife, Jennifer Carpenter—who also stars on the Showtime series—kept Hall's illness to themselves during series production this past year.
"You know they've always been incredibly private and kept to themselves, and he's always been very private and throws himself into his work, so I knew nothing of it, and I don't think anyone else did either," says Vélez.