[4] In 1956, she married Jon Courrier Zimmer, then a lieutenant in the United States Naval Reserve, in a Jewish ceremony in Beverly Hills.

Her first memoir, With a Cast of Thousands, is about her experiences growing up among celebrities such as Jane Fonda, Spencer Tracy, Elizabeth Taylor, and Adlai Stevenson.

In 1999 author Jonathan Lethem described 1999's Past Forgetting as a "quietly moving memoir recounting that great rarity, a truly encompassing and persistent loss of memory.

"[14] Robinson and her husband Stuart Shaw also performed on cruise ships, reading their play Falling in Love When You Thought You Were Through (adapted from their memoir, published in 2002).

In 2005, Robinson was given a lifetime grant to develop the non-profit Wimpole Street Writers program, which continues both in London and Los Angeles.