Popsugar Entertainment Nostalgia Friends Guest Stars 24 Friends Guest Stars You Might Have Forgotten About 23 September 2019 by Hedy Phillips View On One Page Photo 9 of 22 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 Charlie Sheen as Ryan Charlie Sheen plays Phoebe's US Navy lover who has returned from sea to reunite with her and doesn't even care that she's plagued with chicken pox. Previous Next Start Slideshow NostalgiaFriendsTV