“She loved rock ‘n’ roll,” Mumy, 71, previously told Fox News Digital. “She brought The Allman Brothers to the studio when they were in a group called Hour Glass. She took me and Angela Cartwright to the Whiskey a Go Go. She got us tickets to see Simon & Garfunkel. June is truly a rock ‘n’ roll gal.”

Kristina Wagner shared a touching message for June Lockhart, remembering the late star as both graceful and delightfully mischievous.

The actor, who died last week at 100, was known for her motherly roles in "Lassie," "Lost in Space" and "Petticoat Junction," radiating happiness and stability.