While his face is familiar to me, I didn't really know him. And I don't remember him being that short, but he may have been. (Of course Cruise wore lifts, and they had a box for him to stand on in scenes with Kelly Mc.)
The movie credits list the below guys... in addtion to our "friend" Viper. And
this link lists some other JOs who were in the film but not in the credits.
LCDR Lloyd "Bozo" Abel
LT Scott "D-Bear" Altman
LT Rick "Curley" Moe
LT Chuck "Silver" Lewis
LT Ben "Rabbi" Schneider
LT Tracey "Too Cool" Skeels
LT(jg) Kenneth "Squire" Smith
LT Dave "Bio" Baranek
LT Michael "Vida" Blue
LT Peter "Horse" Caulk
MAJ John "Player" Cushing
LT Ricky "Organ" Hammonds
CAPT Dennis "Sunshine" Dilucente
LT Michael "Flex" Galpin
LCDR Thomas "Sobs" Sobieck
LT William "Tex" Spence
CAPT Michael "Boa" Straight
LCDR Robert "Rat" Willard
LT James "Jaws" Winnefeld
LCDR C.J. "Heater" Heatley
Obviously, some of the above names are familiar to many here.