"In Plain Sight" star Mary McCormack is not related to the '60s TV great, though the resemblance is there.

And "Bewitched"-era Montgomery was just a few years younger than McCormack is today, especially if you're picturing Montgomery in color. ("Bewitched" was filmed in black and white at first, and only went color in the third season of its eight-year run.)

Their backgrounds, however, are quite different. McCormack was born in New Jersey to a mother who was a clinical therapist and a father who was a car dealer. She reportedly received a bachelor's degree in English and painting before she devoted herself full time to acting. And so her first screen credit didn't come until she was 25, a smallish part in the 1994 "Miracle on 34th Street" remake.

Montgomery, on the other hand, was born into Hollywood. Literally, in fact. Her father was Robert Montgomery, a star from film's early days who appeared in more than 60 pictures and was enough of a star to get his name on his very own TV show, the anthology "Robert Montgomery Presents." And that's where young Elizabeth made her screen debut, at age 18, in a 1951 episode of the show (she would go on to appear in 27 episodes throughout the show's eight-year run).

That's not to say she didn't have to work for her fame. She appeared in literally dozens of guest spots and bit parts before her first big role, in the 1963 Dean Martin comedy "Who's Been Sleeping in My Bed?" "Bewitched" premiered the following year.

McCormack, on the other hand, had the lead in a TV series the year after her screen debut (though she did plenty of stage work before that).  That series was the Steven Bochco crime drama "Murder One." She went on to leading roles in HBO's "K Street" and two seasons of the smash-hit "The West Wing" before landing on USA Network's "In Plain Sight" in 2008.

Have a question? E-mail us at questions@tvtabloid.com. Please include your name and town. Personal replies will not be provided.