"Come and Knock on Our Door..."See the Cast of ‘Three’s Company’ Then and Now!

Suzanne Somers (Chrissy Snow)

After moving on from Three's Company, the 70-year-old actress became known for her role as Sheriff Hildy Granger on television series She's The Sheriff and for portraying Carol Foster Lambert in Step by Step. She most recently appeared on Season 20 of ABC's Dancing with the Stars.

John Ritter (Jack Tripper)

After his lead role in Three's Company, John went on to have a long and successful career in both television and movies. He starred in the short-lived Three's Company spinoff, Three's a Crowd, as well as in Hooperman, Hearts Afire and 8 Simple Rules. He sadly passed away during heart surgery in 2003 at age 54.

Joyce Dewitt (Janet Wood)

After playing Janet on the hit sitcom, Joyce, 67, appeared in the movie dramas, The Great Flight and Snapshot, as well as in the comedic TV film, My Boyfriends' Dogs.

Norman Fell (Stanley Roper)

After appearing in Three's Company, Norman—who sadly died of cancer at age 74 in 1998—starred on the show's hit spinoff, The Ropers. His other acting credits include films Stripped to Kill and For The Boys.

Audra Lindley (Helen Roper)

After starring in the Three's Company spinoff The Ropers, Audra appeared in films Desert Hearts and Troop Beverly Hills, as well as on the television series Cybill. She sadly died of leukemia in 1997 at age 79.

Jenilee Harrison (Cindy Snow)

After her short stint on Three's Company, the 58-year-old actress went on to play Jamie Ewing in Dallas. She has also appeared in films The Redemption and Tank.

Priscilla Barnes (Terri Alden)

After replacing Suzanne Somers on Three's Company in 1981, Priscilla, 60, went on to appear in movies Licence to Kill, The Devil's Rejects and Mallrats and on the TV series Jane the Virgin.

Richard Kline (Larry Dallas)

Following his portrayal of Larry on the long-lived sitcom, Richard, 72, became known for his performances in I Now Pronounce You Chuck & Larry and Beverly Hills Ninja. He has also appeared on TV series' Noah Knows Best and His & Hers and in the indie comedy, Knight to F4.

Don Knotts (Ralph Furley)

Don, who was best-known for his roles in The Andy Griffith Show and Three's Company, went on to appear in the television series Matlock and in films Pleasantville and Chicken Little. He sadly died from lung cancer complications at 81-years-old in 2006.

The End!