William Daniels at 99: The Voice of KITT and a 75-Year Love Story That Still Inspires

Some actors are remembered for a famous scene. Others become associated with a character so completely that audiences can recognize them from a single line.

William Daniels belongs to the second group.

For one generation, he will forever be the unmistakable voice coming from a futuristic black Pontiac Trans Am. For another, he is Mr. Feeny—the wise, demanding and deeply caring teacher who seemed to have exactly the right lesson whenever his students needed it most.

But away from television, Daniels has built something perhaps even more remarkable: an extraordinarily long life and a marriage that has endured for three-quarters of a century.

Born on March 31, 1927, Daniels celebrated his 99th birthday in 2026. His career stretches across Broadway, film and some of television’s most memorable shows, including Knight Rider, St. Elsewhere and Boy Meets World.

The Voice That Made a Car Feel Human

Anyone who watched Knight Rider during the 1980s remembers the car.

KITT wasn’t simply Michael Knight’s high-tech vehicle. The artificially intelligent car had opinions, personality, humor and an unmistakable sense of calm.

A huge part of that personality came from Daniels.

His controlled, intelligent delivery transformed KITT from a television prop into something audiences could almost believe was alive. Daniels provided the voice throughout the original series, which ran from 1982 to 1986, and later returned to the role for Knight

There was something wonderfully understated about the performance. Daniels didn’t need to be physically present on screen to make an impression.

Sometimes all audiences needed was that voice.

Decades later, hearing it can instantly transport longtime viewers back to evenings spent watching Michael Knight and KITT race toward another impossible mission.

Then Came Mr. Feeny

If KITT introduced Daniels to one generation, Boy Meets World made him an emotional fixture for another.

Beginning in 1993, Daniels played George Feeny, the teacher, principal, neighbor and mentor who followed Cory Matthews and his friends through some of the most important years of their lives.

Mr. Feeny could be stern. He expected students to work. He demanded responsibility and wasn’t particularly interested in excuses.

But beneath that seriousness was enormous compassion.

He didn’t simply teach history or literature. His most memorable lessons were often about friendship, integrity, love, disappointment and becoming a responsible adult.

That is why the character survived far beyond the original show’s ending in 2000.

For many viewers, Feeny represented the teacher everyone hopes to encounter at least once—the person who recognizes potential before the student can see it themselves.

Daniels eventually returned as Feeny in Girl Meets World, allowing another generation to experience the character who had meant so much to viewers years earlier.

A Career Much Bigger Than Two Famous Roles

It would be easy to remember Daniels only for KITT and Mr. Feeny, but his career reaches much further.

He appeared in the 1967 classic The Graduate, played John Adams in 1776 and portrayed the formidable Dr. Mark Craig on St. Elsewhere. His performance on the latter earned him two Primetime Emmy Awards, in 1985 and 1986.

He also served as president of the Screen Actors Guild from 1999 to 2001.

It is an extraordinary résumé, spanning stage, cinema and television and touching audiences across several generations.

Yet one of the longest-running stories in Daniels’ life happened when the cameras were turned off.

William and Bonnie: 75 Years Together

Daniels met actress Bonnie Bartlett while they were students at Northwestern University.

They married on June 30, 1951.

On June 30, 2026, they celebrated their 75th wedding anniversary—a milestone almost unimaginable in an industry where relationships are frequently played out under intense public scrutiny.

Their marriage has not been presented as a flawless fairy tale.

Both have spoken candidly about difficulties they faced over the decades. Daniels has described their longevity not as the result of everything always being perfect, but as something they had to work through together.

Perhaps that makes their story more meaningful.

Seventy-five years together doesn’t mean seventy-five years without disagreements, mistakes or difficult periods. It means continuing to choose the relationship through changing careers, family life, aging and everything else that can happen across most of a century.

When Daniels marked their 75th anniversary, he reflected on how natural their life together had come to feel, ending with a simple expression of gratitude for having shared it with her.

Nearly a Century of Change

Consider the world William Daniels has witnessed.

He was born in 1927.

Television had not yet become an everyday household fixture. Talking pictures were still relatively new. There were no smartphones, streaming services or social media platforms.

Daniels would eventually build a career through almost every major era of modern American entertainment.

He went from stage performances to classic Hollywood films, network television dramas, an iconic 1980s adventure series and a beloved 1990s sitcom.

Few performers get to remain recognizable across so many generations.

A grandparent might remember Daniels from 1776 or The Graduate. Their children might immediately hear KITT when his name is mentioned. Their grandchildren might know him simply as Mr. Feeny.

Different characters. Different decades.

The same unmistakable presence.

The Quiet Lesson Behind His Life

There is something fitting about the fact that one of William Daniels’ most beloved characters was a teacher.

His own journey offers a few lessons as well.

A meaningful career does not always depend on constantly chasing attention. Longevity can come from consistency, professionalism and caring deeply about the work.

And relationships don’t endure simply because two people happened to find each other. Daniels and Bartlett’s 75 years together suggest something much less glamorous but perhaps more valuable: lasting partnerships require adaptation, forgiveness and the willingness to keep working through life’s changes.

At 99, Daniels doesn’t need another iconic role to establish his legacy.

He already has several.

He gave television one of its most recognizable voices.

He created a teacher millions of viewers still remember with affection.

He built an acting career spanning more than eight decades.

And alongside Bonnie Bartlett, he created a partnership that has lasted 75 years.

Perhaps that is why William Daniels remains so easy to admire.

The technology inside KITT was fictional. Mr. Feeny’s classroom existed on a television set.

But the qualities audiences found in those characters—intelligence, patience, loyalty, humor and perseverance—have proved remarkably enduring in the man behind them.

William Daniels’ greatest achievement may not be simply that he has lived for nearly a century. It is how much of that century he has spent creating, connecting and sharing the journey with someone he loves.