For millions of American television viewers, Michael Gross became a familiar face during one of the golden eras of family sitcoms.

Born on June 21, 1947, in Chicago, Illinois, Gross developed an interest in acting while growing up and eventually studied theater. Before becoming a household name on television, he built experience through stage work and smaller acting roles.

His biggest television breakthrough came in 1991 when he was cast as Frank Lambert on the popular family sitcom Step by Step.

The show centered around two single parents who unexpectedly brought their families together after getting married. Frank had three children, while his new wife had three of her own, creating a chaotic but loving blended household.

Gross played Frank as a hardworking father who was often trying to keep everyone under control while dealing with the everyday problems of raising a large family.

For viewers who grew up watching the show, Frank Lambert wasn’t just another sitcom character.

He was the classic television dad.

He worked hard, cared deeply about his children, tried to give them advice, and frequently found himself caught in the middle of whatever trouble the kids had created.

Step by Step became a familiar part of American television during the 1990s and remained popular with families throughout its run.

But Michael Gross had another completely different role that introduced him to an entirely different audience.

In 1990, he appeared as Burt Gummer in the cult-classic monster movie Tremors.

Burt was almost the opposite of Frank Lambert.

Instead of being a friendly suburban father, Burt was an eccentric survivalist obsessed with preparing for virtually every possible disaster.

The character became surprisingly popular with audiences, and Gross returned as Burt in numerous installments of the Tremors franchise.

That contrast is one of the most interesting things about Michael Gross’s career.

One moment, audiences knew him as a warm family man on a popular sitcom.

Another audience knew him as the heavily armed, paranoid survivalist who was always prepared for monsters.

Over the years, Gross continued working in television, movies, and theater.

His career has lasted for decades, allowing him to become one of those actors whose face audiences often recognize even when they don’t immediately remember his name.

For people who watched Step by Step during the 1990s, however, Michael Gross will probably always be Frank Lambert.

The show captured a particular period of American television when family sitcoms were a major part of everyday life.

Families would gather around the television, watch the latest episode, laugh at the characters’ problems, and then return the following week to see what happened next.

There was no need to search through hundreds of streaming choices.

There was simply a handful of shows that everyone seemed to know.

And Michael Gross was right in the middle of one of them.

Today, Gross is much older than the man viewers first saw as Frank Lambert, but he has continued to work in entertainment and remains closely associated with both of his most famous characters.

For longtime fans, seeing him today can be a reminder of just how much time has passed since Step by Step first appeared on television.

The hairstyles have changed.

Television has changed.

The way people watch shows has completely changed.

But the memories remain.

For many Americans who grew up watching television in the 1990s, Michael Gross wasn’t simply an actor.

He was Frank Lambert — the dad from Step by Step.

And decades later, millions of viewers still remember him that way.