He has a mustache and tends to wear flannel shirts, although in his past, he also wears concert t-shirts from classic rock bands.
He drives a 1973 red El Camino that once belonged to his friend Frank: it has a blue driver's side door, found in a tornado.
In 1973, Estrada co-starred in season 5, episode 22, of the CBS TV series Hawaii Five-O: "Engaged to be Buried".
In 1974, Estrada took part in the disaster film, Airport 1975, where he played a role as the flight engineer on a Boeing 747. Two years later, he was a player in the military historical epic Midway, as a fictional airman Ens. Starting in 1977, Estrada co-starred as Frank "Ponch" Poncharello in the TV series CHi Ps.
columnist Sheila Graham tells: “Before her marriage to hair stylist Vidal Sassoon, American actress Beverly Adams had stayed with the Justin Gilberts in their Westminster flat.
When she married, she left some of her things with them, including a hair dryer.
Initially Wilcox was intended to be the show’s star, but Estrada soon became the program’s most popular performer. At the time, Estrada was one of the few Latinos in a leading role on television.
His partner on the show, Jon Baker, was played by Larry Wilcox, and the two had a rocky relationship during the series’ run.representing Burbank, she's among 13 finalists in the first annual "Queen of Queens" beauty tournament held in Las Vegas, Nevada.The others are Edy Williams, Encino, California; Glynda Quinn, Pasadena, Texas; Marilyn Tyndall, Hollywood, California; Penny Holland, Los Angeles, California; Pamela Sims, Inglewood, California; Rita Wilson, Foulton, Kentucky; Carolyn Joyner, Shreveport, Kansas; Raquel Welch, Hollywood, California; Madeline Mack, Pacoima, Los Angeles, California; Kay Devault, Metropolis, Illinois; Connie Downey; and Margo Spinker, Elgin, Illinois.He later became known for his work in Spanish-language telenovelas, his appearances in reality television shows and infomercials and as a regular voice on the Adult Swim series Sealab 2021 as well as the movie Cool Cat Saves The Kids.In the 1970 film version of The Cross and the Switchblade, Estrada made his film debut in the role of Nicky Cruz alongside Pat Boone, who played the role of David Wilkerson. Scott and Stacy Keach as LAPD Officer Sergio Duran in the movie The New Centurions.