What composers have appeared in STAR TREK incarnations?
Well, of course James Horner was given the fast walk-by carrying a florescent light shaft in WRATH OF KHAN:
and yes Basil was Red Shirt Bardoli in OBSESSION (DON'T GET EXCITED JIM CLEVELAND!!!)
and as a Klingon in ERRAND OF MERCY:
Goldsmith was probably offered a walk-on but with his GREMLINS 1 & 2 experiences, he probably had his fill of the acting spotlight! Always thought he'd make a great Andorian though, with his luscious white Andorian like hair! What do you think? Of course his skin would be more blue, but Photo Booth can only do so much:
