At 99, William Daniels Still Inspires Fans: The Voice of KITT and a Love Story That Has Lasted 75 Years

Some actors become famous for a single role. Others create characters that remain in people’s memories for generations. William Daniels belongs to the second group.

For television fans, his voice is instantly recognizable as KITT, the intelligent talking car from Knight Rider. For another generation, he will always be Mr. Feeny, the wise and caring teacher from Boy Meets World.

Now 99 years old, Daniels has a career that spans several decades, along with a personal story that is just as remarkable. He has also shared his life with actress Bonnie Bartlett for more than 75 years. Their long marriage is a reminder that lasting relationships can grow through patience, friendship, and shared experiences.

Born on March 31, 1927, in Brooklyn, New York, Daniels has witnessed enormous changes in entertainment and everyday life. Yet his work continues to reach audiences who discovered him long after his earliest performances.

The Voice That Made KITT a Television Legend

For many viewers who grew up in the 1980s, William Daniels will always be the voice of KITT.

The talking car appeared in the popular television series Knight Rider, which followed Michael Knight, played by David Hasselhoff, and his advanced, intelligent vehicle.

KITT was more than a car. It had a personality, a sense of humor, and the ability to communicate with its driver. Daniels gave the character a calm, thoughtful voice that made the fictional technology feel surprisingly human.

His performance helped turn KITT into one of the show’s most memorable characters. Even though viewers rarely saw Daniels on screen in that role, they quickly recognized his voice.

Years later, fans still remember the conversations between Michael and KITT. That lasting connection shows how powerful voice acting can be. Sometimes, a voice becomes just as famous as the face of a television star.

Mr. Feeny: The Teacher Everyone Remembers

A different generation came to know Daniels through Boy Meets World.

From 1993 to 2000, he played George Feeny, the thoughtful teacher and mentor who guided Cory Matthews and his friends as they grew up.

Mr. Feeny was not simply a teacher who stood in front of a classroom. He challenged his students, encouraged them to think carefully, and reminded them that their choices mattered.

Although he could be strict, his advice usually came from a place of genuine care. He wanted his students to become responsible adults and learn from their mistakes.

That balance made the character special.

For many viewers, Mr. Feeny represented the kind of mentor they wished they had in real life. His lessons about friendship, honesty, responsibility, and personal growth still connect with audiences today.

Daniels later returned to the character in the spin-off series Girl Meets World, giving longtime fans another opportunity to see the beloved teacher.

A Career Filled With More Than Two Famous Roles

Although KITT and Mr. Feeny are perhaps his best-known characters, William Daniels has enjoyed a much broader career.

He appeared in the classic 1967 film The Graduate, playing Mr. Braddock, the father of Benjamin Braddock, portrayed by Dustin Hoffman.

He also played Dr. Mark Craig in the medical drama St. Elsewhere. His performance earned him two Primetime Emmy Awards for Outstanding Lead Actor in a Drama Series.

In addition, Daniels appeared on Broadway and portrayed John Adams in the stage musical 1776 and its film adaptation.

His work across film, television, and theater shows the range of his talent. He could play a serious doctor, a memorable historical figure, a fictional car’s voice, or a caring television teacher.

That variety helped him build a career that reached audiences of different ages.

A Love Story That Has Lasted More Than Seven Decades

Away from the cameras, Daniels has shared a remarkable life with actress Bonnie Bartlett.

The couple married on June 30, 1951, after meeting while studying at Northwestern University. Their marriage has lasted more than 75 years, an extraordinary milestone in an industry where long relationships can be difficult to maintain.

Bartlett is also an accomplished actress. She appeared alongside Daniels in St. Elsewhere, and she earned two Emmy Awards for her acting work.

Together, they built a family and raised two adopted sons, Michael and Robert. Their life has included the demands of acting careers, family responsibilities, and the many changes that come with growing older.

Their story is not about a perfect Hollywood romance. Instead, it reflects something more meaningful: two people who have continued to share their lives through different stages, challenges, and achievements.

Over the years, they have remained connected both personally and professionally. Their relationship is one of the most enduring partnerships in the entertainment world.

Nearly a Century of Life and Changing Times

Born in 1927, Daniels has lived through almost a century of major historical and cultural changes.

He grew up during a very different era of American life, began performing at a young age, and later served in the United States Army during World War II.

After the war, he continued his education and developed his acting career. Television then became a major part of his professional life, allowing him to reach millions of viewers.

From traditional television broadcasts to modern streaming platforms, the entertainment industry has changed dramatically during his lifetime.

However, his performances have continued to find new audiences. Younger viewers can discover Boy Meets World, while fans of classic television can revisit Knight Rider and St. Elsewhere.

His career is a reminder that memorable performances do not disappear when a show ends. They continue to live through reruns, streaming services, and the stories people share with one another.

What Makes William Daniels So Memorable?

There are many talented actors in Hollywood, but only a few create characters that remain part of popular culture for decades.

Daniels achieved this through a combination of skill, warmth, and a distinctive screen presence.

As KITT, he made a fictional machine sound intelligent and approachable. As Mr. Feeny, he gave viewers a mentor whose words often felt meaningful beyond the television screen.

His work also demonstrates that an actor does not need to be the loudest person in a scene to leave a lasting impression.

Sometimes, a measured voice, a thoughtful expression, or a few carefully delivered words can create a character people never forget.

That is part of the reason audiences continue to celebrate his work today.

A Legacy That Goes Beyond Fame

William Daniels’ story is about more than reaching an impressive age or collecting awards.

It is about a career built over many decades, characters that connected with different generations, and a marriage that has lasted through more than seven decades of change.

His journey also shows the value of staying connected to the work and people that bring meaning to life.

At 99, Daniels remains a beloved figure to fans who remember him as KITT, Mr. Feeny, Dr. Mark Craig, and many other characters.

His legacy is not limited to one television series or one unforgettable voice. It is found in the memories of viewers who learned something from his characters, laughed with them, and returned to them years later.

And perhaps that is the greatest measure of a lasting career: the ability to remain meaningful long after the cameras stop rolling.

William Daniels may have spent much of his life entertaining audiences, but his story also reminds us of the importance of friendship, dedication, and love that stands the test of time.

Frequently Asked Questions

How old is William Daniels?

William Daniels was born on March 31, 1927. He turned 99 years old on March 31, 2026.

What role did William Daniels play in Knight Rider?

He provided the voice of KITT, the intelligent talking car in the television series Knight Rider.

Is William Daniels the actor who played Mr. Feeny?

Yes. Daniels played George Feeny, the beloved teacher and mentor in Boy Meets World and later returned to the role in Girl Meets World.

Who is William Daniels married to?

He is married to actress Bonnie Bartlett. They married on June 30, 1951.

How long have William Daniels and Bonnie Bartlett been married?

As of November 2026, they have been married for more than 75 years.

Did William Daniels win any Emmy Awards?

Yes. He won two Primetime Emmy Awards for his performance as Dr. Mark Craig in St. Elsewhere.

Editorial Disclaimer: This article is intended for entertainment and general informational purposes. Biographical details are based on publicly available profiles and published interviews. It does not claim to provide private information about William Daniels or his family.