LOS ANGELES — Actors Steve Guttenberg and Danny Trejo and Los Angeles County Sheriff Robert Luna were among the participants in parades in Los Angeles County Thursday marking Independence Day.

Guttenberg was the grand marshal of the 76th Pacific Palisades 4th of July Parade, which began at 2:05 p.m. on Via de la Paz at Bowdoin Street, preceded by skydivers landing on Sunset Boulevard near Swathmore Avenue.

The theme was “Happy Days in the Palisades.”

Army Lt. Gen. Steven Gilland rode in the parade. Gilland is superintendent of the United States Military Academy, a position once held by Douglas MacArthur.

Guttenberg was Pacific Palisades’ honorary mayor from 2002-06. He is best remembered for his roles in four “Police Academy” movies, “Three Men and a Baby,” “Cocoon” and “Diner.”

Trejo was among the participants in the Sunland-Tujunga Independence Day Parade, which began at 10 a.m., heading west on Foothill Boulevard from Mt. Gleason Avenue to Sunland Boulevard. Its theme was “The Magic of Sunland- Tujunga.”

Trejo is known for his role as gadget inventor Isador “Machete” Cortez in four “Spy Kids” films and a different version of the character in “Machete” and “Machete Kills.” He is the owner of eight restaurants, including Trejo’s Tacos and Trejo’s Cantina.

Luna rode in the Santa Clarita Valley Fourth of July Parade. It began at 9 a.m. at the Newhall Roundabout in front of Hart Park and ended at Orchard Village Road at Dalbey Drive. The approximately 2-mile parade’s theme was “The Freedom to Play,” celebrating “our parks, trails and open spaces.”

The Acton 4th of July Parade had the theme “ 100 Years of Community History.” It began at 9 a.m. at Banson Street and Crown Valley Road.

Claremont’s Fourth of July Parade began at 10 a.m. at 10th Street and Indian Hill Boulevard.

The Holmby Westwood Property Owners Association 4th of July Parade began at 10 a.m. at Warner Avenue School.

La Verne’s Fourth of July Parade had the theme “50 Years of Hometown Heroes.” It began at 10 a.m. at the corner of 10th and D street, traveled south to Bonita Avenue, west on Bonita Avenue to Magnolia Avenue, south on Magnolia Avenue to Third Street, east on Third Street to G Street, north on G Street to Bonita Avenue, west on Bonita Avenue to F Street, north on F Street to Eighth Street, west on Eighth to D Street and north on D Street.

Retired La Verne Police Department Chief Colleen Flores was the community grand marshal.

In Long Beach, the Great American Kids’ Bike Parade began at 10 a.m. at 1 Granada Ave. on the beach bike path. Participants were asked to bring tuna, pasta noodles, breakfast cereal or peanut butter to be donated to agencies serving homeless men and women in the area.

“We’re eager to start the day off celebrating fitness, creativity and patriotism and for these kids to get a sense of community and pride at this Fourth of July celebration,” event organizer Justin Rudd said, according to Southern California News Group.

“We’ve been doing the bike parade the entire time we’ve had children,” said Belmont Shore’s Will Terry, who brought his wife and two children to ride on the path. “It’s a great event, great to see everyone — people and animals — and the decorations. It’s a great way to spend the Fourth of July and it’s early enough because you can stay local for this event and then go out and do other things afterwards.”

The theme of Rosemead’s parade was “Celebrating The Olympic Spirit.” It began at 10 a.m. at Valley Boulevard and Muscatel Avenue, traveled east to Loma Avenue and north to Rosemead Park.

Santa Monica’s parade celebrated arts and culture. The approximately 1.3-mile parade began at Pico Boulevard and Main Street at 9:30 a.m., traveled south on Main Street and right onto Marine Street, ending at Barnard Way.

Sierra Madre’s 4th of July Parade began at 10 a.m. at the corner of Sierra Madre Boulevard and Sunnyside Avenue, ending at Rancho Road. Its grand marshal was Helen Reece, a 100-year-old who often plays the accordion outside the Baldwin Avenue Gallery on special occasions.

The grand marshal is traditionally a person or persons whose efforts over a long period have been beneficial to Sierra Madre.

The Valley Village Homeowners Association Fourth of July Parade began at Colfax Elementary School at 10 a.m. and ended at Valley Village Park, where the association provided corn dogs, watermelon, cold drinks and cupcakes.

South Pasadena’s Fourth of July Festival of Balloons parade began at 11 a.m. at Mission Street and Diamond Avenue, ending in Garfield Park. The opening ceremony was held at the South Pasadena Library. The theme was “Hometown Heroes: Celebrating the Spirit of Community.”

Westchester’s 24th annual Fourth of July Parade began at 11 a.m. at the corner of Manchester Avenue and Loyola Boulevard, headed north on Loyola Boulevard and concluded at 80th Street, the entrance to Loyola Marymount University.

It is Westchester’s largest event, according to the LAX Coastal Chamber of Commerce, which organizes the parade.

Avalon’s golf cart parade began at 1 p.m. on Casino Way. The USC Trojan Marching Band was among the participants.

San Marino’s approximately 1.5-mile “4th of July Independence Day Parade-Palooza” was set to begin at 4:45 p.m. on Monterey Road, then head to Virginia Road and go through Lacy Park.