Then: Jamie Lee Curtis played high school student and main character, Laurie Strode.

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Curtis not only became a huge name in Hollywood, the actress also established a notable writing career.

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Curtis, nicknamed the "Scream Queen" for her early roles in horror movies, went on to star in many films, including "Freaky Friday," "A Fish Called Wanda," and the award-winning "True Lies."

Curtis has also written books, and her 1998 novel "Today I Feel Silly and Other Moods That Make My Day" ended up on the New York Times best-seller list.

Then: Donald Pleasence played Michael Myers's psychiatrist, Dr. Sam Loomis.

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Now: Pleasence passed away in 1995 after earning more than 200 film credits, writing a children’s book, and receiving four Tony Awards nominations.

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In 1994, Queen Elizabeth II  appointed Pleasence Officer of the Most Excellent Order of the British Empire for his services to the acting profession.

Pleasence passed away a year later from surgery complications.

Then: Nancy Kyes played babysitter Annie Brackett.

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Now: Kyes left acting in 1992 and is now a sculptress in Los Angeles.

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Nancy Kyes later acted in "The Fog," "Halloween III: Season of the Witch," and the 1985 revival of “The Twilight Zone.”

Kyes married and later divorced Tommy Lee Wallace, director of "Halloween III."

Then: P.J. Soles played high school student, Lynda van der Klok.

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Now: Soles is still active in television and film.

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Soles is mostly known for her string of movies in the '70s / '80s with parts in "Carrie," "Private Benjamin," "Rock 'n' Roll High School," and "Our Winning Season." She also played a victim in the 2005 Rob Zombie movie, "The Devil's Rejects."

Soles married Dennis Quaid in 1978, and the two were divorced five years later. 

Then: Child actress Kyle Richards played a timid Lindsey Wallace, who Annie Brackett babysat.

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Richards continued acting, and is known for her recurring role on "The Real Housewives of Beverly Hills."

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After "Halloween," Richards appeared on "Little House On the Prairie," "ER" and in children's horror film, "The Watcher in the Woods."

Richards is daughter of Kenneth Richards, and the half-sibling of Kim Richards, with whom she appears on "Real Housewives."

In 2012, Richards opened an upscale fashion boutique, Kyle by Alene Too, in Beverly Hills.

Then: Charles Cyphers played Sheriff Leigh Brackett, the father of babysitter Annie Brackett.

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Now: Cyphers still acts today, having appeared in television shows "ER" and "Seinfeld," along with another John Carpenter movie "The Fog," which also featured his "Halloween" costar Jamie Lee Curtis.

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Currently, Cyphers is filming a horror movie out next year, "Stingy Jack," where he'll also play a sheriff.

Then: Nick Castle played Michael Myers as "The Shape."

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Now: Castle switched to a writing/directing career, writing the 2007 movie "August Rush" and co-writing "Escape from New York."

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Then: Tony Moran played Michael Myers without the mask.

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Now: Moran went under the radar for awhile, eventually coming out of hiding to appear at "Halloween" conventions and to produce his own 2011 horror flick "Beg."

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Then: Brian Andrews played Tommy Doyle, the curious eight-year-old who Laurie was babysitting.

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Now: Andrews still acts, appearing in "Three O'Clock High" and "The Bronx Zoo." Here he is below recently with a fan.

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He's currently working on another horror film, "Lazarus," due out next year.

Then: Nancy Stephens played Marion Chambers, a nurse and colleague of Dr. Sam Loomis.

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Now: Stephens returned for "Halloween II" and "Halloween H20: 20 Years Later," and had brief appearances in television shows "All in the Family" and "Cheers."

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Then: Sandy Johnson played Michael's sister, Judith Margaret Myers.

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Now: Johnson hasn't acted in years with her last credit being a ballroom dancer in '95's "Dracula: Dead and Loving It."

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Then: David Kyle Foster played Judith's boyfriend.

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Now: Foster retired from acting, entered a seminary, and founded a non-profit Christian ministry "Mastering Life Ministries."

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He also hosts a weekly TV show called "Pure Passion."

Then: Arthur Malet played the graveyard keeper.

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Now: Malet had acting parts in "Bewitched," and "Adventures In Paradise." He also played Tootles in the live-action version of "Hook." Malet passed away in May of this year.

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One of his final roles was in Alfonso Cuaron's 1995 film "A Little Princess."