After spending a year as a vice-president of the fledgling Alaska Airlines, he founded a cold storage and wholesaling business in Anchorage, and was regarded as an up-and-coming leader of the local business community.
Castner also served as press advisor to congressional candidate Joseph P. Kennedy II, and as the communications consultant for the Utah State Senate.
She returned to the screen in the 1970s and appeared in movies such as Cain's Cutthroats (1971), Slaughter's Big Rip-Off (1973) and Wham Bam Thank You Spaceman (1975, in which she was credited as Zelda).