“Bewitched” Star Elizabeth Montgomery Once Made an Insulting Remark About Her Husband's Penis While Babysitting Griffin Dunne

The actor and director writes about the incident in his new memoir ‘The Friday Afternoon Club: A Family Memoir’

Griffin Dunne recalls a moment when his former babysitter, Bewitched star Elizabeth Montgomery, had some surprising comments about her former husband, Frederic Gallatin Cammann.

The actor, director and producer, 69, writes in his new book The Friday Afternoon Club: A Family Memoir (out June 11) that the actress, best known for playing Samantha Stevens on the ‘60s sitcom, was his first babysitter.

“Elizabeth Montgomery, who later played Samantha in Bewitched, was my first babysitter,” Dunne writes. “She was a struggling actress with a small part in Late Love when she met my mother [Ellen Dunne], and though Elizabeth was her employee, my mother and she became close friends.”

Dunne writes that Montgomery confided in Ellen about Cammann while on the job.

“Elizabeth once told her, while changing my diapers, that I had a bigger dick than her husband,” Dunne writes. “That marriage was, needless to say, short-lived.” The actress and Gammann were married from 1955 to 1956. Later, she was married to actor Gig Young from 1956 to 1963, producer William Asher from 1963 to 1973 and Robert Foxworth, from 1993 until Montgomery’s death in 1995.

Having a Hollywood actress for a babysitter is only one of the many entertaining stories in Dunne’s memoir, which details his celebrity-studded childhood and career.

The After Hours star is the son of crime journalist Dominick Dunne, brother of late actress Dominique Dunne and the nephew of writers Joan Didion and John Greogry Dunne, and his family’s close friends included everyone from Natalie Wood to Sean Connery, who once saved Dunne from drowning as a child. Dunne had an irreplaceable friendship with Star Wars actress Carrie Fisher. The two were roommates while he lived in New York.

Related: Griffin Dunne Says Friend Carrie Fisher 'Lived For Every Lurid Detail' of His Sexual Encounters (Exclusive)

Speaking with PEOPLE for the June 10 print issue, Dunne says that he had to find a way to balance lighthearted moments with darker ones while writing his memoir. He doesn’t shy away from the tragedy that has touched his family, including Dominique's murder in 1982.

“I thought that I'd be writing a lot of humorous, [David] Sedaris-like anecdotes,” he says. “But as I threw away that idea and started to write chronologically, I let myself go into the pain … I started to see the texture of my writing and allowed myself to really go beyond just being funny … I found there was room for both humor and tragedy."

Related: Griffin Dunne Says Sister Dominique’s Murder Brought His Family Together, as He Recalls the Poltergeist Star He ‘Adored’ (Exclusive)

As the book makes its way into the world, Dunne says that his readers will be in for a rollercoaster of emotions.

“They'll probably laugh out loud at many of the things,” he says. “It's both profane at times, but also, hopefully, they'll find it quite moving.”

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The Friday Afternoon Club: A Family Memoir is now available wherever books are sold.

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