The Santa-suited big band leader is, of course, Wimpy, that hamburger aficionado.
Oscar, Popeye's bucktooth friend from the Thimble Theatre comic strip makes a very rare appearance in this cartoon. He is the waiter who brings the food to Popeye and Grandma's table.
One of a few shorts when Popeye and Bluto are shown as friendly rivals, as their cheerful song entrance indicated.
One of a number of Popeye shorts which were sent off to Asia in the 80's to undergo the infamous redraw and colorization process.
At the very beginning of this cartoon, Popeye and Bluto sing "Christmas Comes But Once a Year." This references the Color Classic cartoon, released two years earlier.