The only NCIS: Origins Season 3 cast guide you need before new chapter

NCIS: Origins Season 3 is less than three weeks away from release, and with that, the fans will see the familiar team returning to the screen, including Austin Stowell, Kyle Schmid, Mariel Molino, and more. However, this time Mark Harmon will be around in every episode, adding to the excitement for the fans.

NCIS: Origins Season 3 revolves around young Gibbs and his team taking on new cases at Camp Pendleton. At the same time, viewers will also see present-day Gibbs, played by Mark Harmon, with a story that ties his past to the present day.

Let's have a look at the NCIS: Origins Season 3 cast who are bringing the series to life.

Meet the NCIS: Origins Season 3 cast

1) Austin Stowell as young Leroy Jethro Gibbs

Bridge of Spies star Austin Stowell will play young Leroy Jethro Gibbs in NCIS: Origins Season 3. His other famous works include Whiplash, The Hating Game, and A Friend of the Family.

His character, Gibbs, is a young NIS agent who is still learning the job. Gibbs works at Camp Pendleton with Mike Franks and is putting in all the work to become a tough and experienced NCIS agent.

2) Mark Harmon as present-day Leroy Jethro Gibbs

Two-time Primetime Emmy-nominated actor Mark Harmon will appear as present-day Leroy Jethro Gibbs in Season 3. Harmon is famous for his roles in Chasing Liberty, NCIS, Freaky Friday, and Summer School.

His character is the present-day Gibbs, now older and narrating Season 3. At the same time, he will be looking back at the connection to his past at Camp Pendleton and the mystery that adds another link between NCIS: Origins and the NCIS universe.

3) Kyle Schmid as Mike Franks

Young Artist Awards nominee Kyle Schmid will appear as Mike Franks in Season 3. His other famous works include Six, Copper, Being Human, and A History of Violence.

Franks plays the mentor of Gibbs in his early days. He leads Camp Pendleton and is an ex-NCIS Supervisory Special Agent.

4) Mariel Molino as Lala Dominguez

Mariel Molino is famous for her role in The Watchful Eye, Promised Land, and Die Like A Man. In Season 3, she will be returning as Lala Dominguez.

She is a NIS Special Agent who is on the Gibbs team. On the other hand, Lala is the love interest of Gibbs, and the upcoming season will explore their equation further.

5) Tyla Abercrumbie as Mary Jo Hayes

Tyla Abercrumbie's famous works include The Chi, Utopia, Proven Innocent, and Chicago Med. She is returning as Mary Jo Hayes in NCIS: Origins Season 3.

Mary Jo Hayes is someone who always helps the team with office work and is also there to give advice and support. In season 3, she will be returning with the group as they deal with cases together.

6) Diany Rodriguez as Vera Strickland

The Blacklist star Diany Rodriguez is returning as Vera Strickland in Season 3. Her other famous works include The Outsider, Ray Donovan, New Amsterdam, and Teacup.

Her character, Vera, is an ex-NCIS Special Agent who is a member of the Gibbs team at Camp Pendleton.

7) Caleb Foote as Randy Randolf

Made for Love star Caleb Foote is returning as Randy Randolf in NCIS: Origins Season 3. Foote is famous for his roles in The Kids Are Alright, American Horror Story, and American Crime Story.

Randy Randolf is an NIS agent who works with Gibbs' team and has handled both fieldwork and office duties. Season 3 will show his return alongside Gibbs and the other members as they work together.

NCIS: Origins Season 3 is scheduled to premiere on October 6, 2026, on CBS and Paramount+.