Twelve paramedic units existed in North America in January 1972, when Randolph Mantooth first pulled on a rescue squad uniform for the cameras. Within three years of his debut as paramedic John Gage on NBC's "Emergency!," forty-six states had passed laws permitting paramedics to treat patients in the field, and within a decade more than half of Americans lived within ten minutes of one, a shift fire-service historians credit in part to the show Mantooth carried opposite Kevin Tighe, according to The Hollywood Reporter. Mantooth, who spent the decades after the show's end returning the favor to real first responders, died July 9, 2026, at a hospice facility in Ventura, California. He was 80.

He was born Randy DeRoy Mantooth on September 19, 1945, in Sacramento, California, the oldest of four children. His father, of Cherokee and Seminole descent, worked in pipeline construction and moved the family often. His mother, of German and English descent, waited tables and promised each child a car on the day they graduated high school. Mantooth later said the family had lived in twenty-four states by the time he turned eighteen. He took the stage name Randolph while training at the American Academy of Dramatic Arts in New York, where a scholarship took him after San Marcos High School and Santa Barbara City College, and where he received the school's Charles Jehliger Award.

A Universal Studios talent scout, Eleanor Kilgallen, signed him to a contract in 1970 after watching him share a New York production's best actor honors in Philadelphia, Here I Come! He spent the next two years building a resume of guest spots, on Ironside, The Virginian, and Marcus Welby, M.D., before Emergency! premiered in January 1972 with Mantooth as paramedic John Gage opposite Kevin Tighe's Roy DeSoto, working out of the fictional Station 51 of the Los Angeles County Fire Department. The two actors performed most of their own stunts across six seasons. Asked years later what he thought when he first read the script, Mantooth said: "What the hell's a paramedic?"

He got an answer, and then some. Gage's surname was drawn from Jim Page, the Los Angeles County battalion chief regarded as the father of the modern paramedic program, and Mantooth spent the rest of his life in the fire service's orbit. He became a lifetime member of the National Association of Emergency Medical Technicians and a spokesperson for the International Association of Fire Fighters and the International Association of Fire Chiefs, touring firehouses and EMS conferences so widely that in one year he appeared at twenty-four venues across eighteen states, according to EMS1. He told one audience of firefighters: "To truly care for people, you have to show them you care. Look up from all that equipment, hold that person's hand, say with all compassion in your heart, everything is going to be OK." He credited the paramedics who revived him after a carbon monoxide poisoning, and the paramedic and flight nurse who saved his sister after a car crash, with a debt he said he could not repay: "You have it backwards. You're my hero. You saved my sister's life, and you saved my life."

In 2012, the Los Angeles County Fire Department named Mantooth and Tighe honorary fire chiefs. Nine years later, the two actors joined Mantooth's sister, Tonya Mantooth, an Emmy-winning producer, to make the documentary "Into the Unknown," which set out to put names to the paramedics and flight nurses whose work Mantooth had only ever played on screen. "My life was saved by two firefighter paramedics. My sister's life was saved by a paramedic and a flight nurse," he said of the project. "They literally gave us our lives back, and yet I don't even know their names." In 2022, the International Association of Fire Chiefs presented him its James O. Page Award of Excellence. "To be honored by men and women who have dedicated their lives and careers to public safety, it humbles me," Mantooth said. "I'm so grateful."

Mantooth's screen career outlasted Emergency! by decades. He played Clay Alden, later renamed Alex Masters, on ABC's "Loving" from 1987 to 1990 and again from 1993 to 1995, earning four Soap Opera Digest Award nominations, then carried the role into the show's spinoff, "The City," through 1997. He later took recurring parts as Richard Halifax on "General Hospital," Hal Munson on "As the World Turns," and Kirk Harmon on "One Life to Live." His Loving co-star Rena Sofer called him "my first mentor," saying he "convinced me to move out of my childhood home and be independent and live in New York," while Lisa LoCicero, who played his love interest on Loving and its spinoff The City, remembered him as "so good to me as artist and as an actor and as a partner," according to Soap Opera Digest.

He married actress Kristen Connors in 2002, with Tighe serving as his best man. She survives him, along with his siblings, Donald and Tonya Mantooth.

The paramedic units that answer emergency calls today exist, in some measure, because a television actor made the job look like it mattered before most of the country had ever seen one at work. Mantooth spent the second half of his life making sure audiences understood that the real people doing it mattered more than the character who introduced them. "Into the Unknown" stands as his answer to the paramedics and flight nurses he said he owed a debt he could not repay, and the James O. Page Award sits among fire-service honors as recognition that Johnny Gage's actor did as much for the profession off screen as the character had done on it.