George Sanders, as villain G. Emory Partridge, has his base of operations in the frozen Yukon. The following year, Sanders would go on to play iconic "frozen" villain Mr. Freeze on Batman.
Partridges comment about swapping the lead sled dog Disraeli for Gladstone is a reference to British Prime Ministers Benjamin Disraeli and William Gladstone, two men who were political rivals who alternated holding the office of Prime Minister several times.