Activist cast and crew. Especially Elizabeth Montgomery and Dick Sargent. No mistaking it.
Agnes Moorehead and Paul Lynde are gay icons from before anyone could be gay.
That may be true, though neither one ever claimed to be gay, and both are long dead. Yes, it was perhaps a bad time to be gay. But it is still just speculation, and seems really unfair. If they died in the closet, then they earned the right to stay there forever.
You could also consider deleting your ‘perhaps’.