Top 10 Unexpected Celebrity Cameos in FRIENDS

Charlie Sheen
Season 2, “The One with the Chicken Pox”

Turns out he was winning even before he was actually “winning” (that’s a codeword for taking drugs *wink-wink*)! In the show Charlie played Phoebe’s “submarine guy,” Phoebe’s boyfriend Ryan. The one with the chicken pox, yes.