A member of the NCC-1701 crew, Sam was aboard in 2266 when Chales Evans travelled aboard the ship. Sam helped Captain Kirk to demonstrate some Judo moves to Charlie, and was greatly amused with Charlie's efforts against Kirk. Charlie caused Sam to vanish in retaliation.1
Sam was returned along with Yeoman Rand by Charlie's adoptive parents.2
||This was not seen, but why restore one and not the other?