 Additional voices were provided by Red Buttons, Ethel Merman, Alan Sues, Paul Frees, and Thurl Ravenscroft.Shelley Winters reprised her role as Frosty's wife Crystal from "Frosty's Winter Wonderland", and Hal Peary reprised his role as Big Ben the Clockwork Whale from "Rudolph's Shiny New Year".This was the final Rankin/Bass special to use Rudolph and Frosty.