Frank Delfino (born February 13, 1911, died February 19, 1989), was an American actor.

He was born in Brooklyn in 1911, and began his acting career in 1955 with an uncredited role in The Court Jester. He later had minor parts in films such as Please Don't Eat the Daisies, Planet of the Apes and Willy Wonka & the Chocolate Factory, as well as more significant roles in productions including The Odd Couple, Little Cigars, White House Madness, The Feather and Father Gang and Never Con a Killer. He and his wife Sadie Delfino were standins for the actors who played Bobby and Cindy Brady on The Brady Bunch, until Mike Lookinland and Susan Olsen outgrew the Delfinos.

His last role on screen came in 1988, when he played a minor character in the TV series Circus.

He died in February 1989, six days after his 78th birthday.

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