On Call: Full list of cast in the new police procedural 

On Call: Full list of cast in the new police procedural
On Call: Full list of cast in the new police procedural (Image via Prime Video)

On Call is the latest police procedural drama that premiered on January 9, 2025, exclusively on Prime Video. Created by Tim Walsh and Elliot Wolf, the series marks the first half-hour format venture by Dick Wolf, with each episode running for 24 minutes.

On Call is a Long Beach, California, police procedural drama about veteran training officer Traci Harmon and her rookie partner Alex Diaz. The series begins with Harmon grieving her previous trainee, which shapes her mentoring of Diaz. She sets high standards for her new partner to avoid a repeat of the past.

The show is divided into episodes that show how the two respond to different types of emergency calls, from minor problems to life-threatening ones.

Harmon and Diaz are both dealing with bigger problems in their personal lives at the same time. Harmon is trying to get justice for her trainee who died, and Diaz is trying to prove his worth despite his flaws. On Call shows the human side of police work through its fast-paced stories and deep emotional depth.

Led by Troian Bellisario and Brandon Larracuente, the On Call ensemble also features renowned names like Eriq La Salle and Lori Loughlin.


On Call: Main cast members and their roles

1) Troian Bellisario as Traci Harmon

Troian Bellisario as Traci Harmon in On Call (Image via Prime Video)
Troian Bellisario as Traci Harmon in On Call (Image via Prime Video)

Actress Troian Bellisario plays Traci Harmon, a Long Beach Police Department training officer. Traci is shown as a dedicated officer who is struggling with her feelings after the death of a former trainee.

Desperate to avoid making the same mistakes again, she sets strict rules for her new partner, Alex Diaz, while also looking for justice for her colleague who died. Being both strong and vulnerable makes Traci a compelling and relatable character.

Bellisario is best known for her breakthrough role as Spencer Hastings in the hit series Pretty Little Liars (2010–2017). She started acting when she was three years old in the movie Last Rites and later graduated from the University of Southern California.

Her acting credits include roles in movies and TV shows like Feed, Clara, and Lauren. Beyond acting, Bellisario has also tried her hand at directing and writing movies.


2) Brandon Larracuente as Alex Diaz

Brandon Larracuente as Alex Diaz in On Call (Image via Prime Video)
Brandon Larracuente as Alex Diaz in On Call (Image via Prime Video)

Brandon Larracuente plays Alex Diaz, a new police officer who is learning how to do his job with the help of Traci Harmon. Alex is eager and impulsive, and his tendency to break the rules often makes Traci test her patience.

Even though Alex is a bit carefree at times, he has a lot of respect for Traci and works hard to show that he is a good police officer even when things get tough. The emotional center of the show is his relationship with Traci.

Larracuente became widely recognized for his part as Jeff Atkins in the hit Netflix show 13 Reasons Why. He began his career in theater and went on to be in shows like Bloodline and Party of Five.

Larracuente has been in movies like Bright and Baywatch. His growing list of roles shows that he can play a wide range of characters in different types of movies.


3) Eriq La Salle as Sergeant Lasman

Eriq La Salle as Sergeant Lasman in On Call (Image via Prime Video)
Eriq La Salle as Sergeant Lasman in On Call (Image via Prime Video)

Erick La Salle plays Sergeant Lasman, a strict and powerful police officer. Traci Harmon and Lasman often disagree because of Traci Harmon's unusual ways of doing things, but Lasman secretly helps Harmon when she's having a hard time.

He has been acting, directing, and producing for a long time. La Salle is best known for his role as Dr. Peter Benton on the long-running medical drama ER. He won several awards and was nominated for others, including NAACP Image Awards and Golden Globes.

Besides, La Salle has been in movies like Coming to America and Logan. He is renowned for directing episodes of Law & Order: Special Victims Unit and Chicago P.D., which adds to his reputation in the entertainment business.


4) Lori Loughlin as Lieutenant Bishop

Lori Loughlin as Lieutenant Bishop in On Call (Image via Prime Video)
Lori Loughlin as Lieutenant Bishop in On Call (Image via Prime Video)

Lori Loughlin plays Lieutenant Bishop, a supportive yet stern supervisor in the Long Beach Police Department. Bishop plays a confidante to Traci Harmon, offering guidance and support while maintaining a firm stance on departmental protocols. Her nuanced character highlights the challenges of leadership in a high-pressure environment.

Loughlin has been into acting for several years now. Her big break came when she played Aunt Becky on the hit sitcom Full House and its follow-up, Fuller House. When Calls the Heart, 90210, and Garage Sale Mystery are some of her other prominent performances.


Supporting characters in On Call

  • Rich Ting as Sergeant Tyson Koyama
  • Mac Brandt as Officer Barlowe
  • Lobo Sebastian as Smokey
  • Robert Bailey Jr. as Officer Holt
  • Annabella Didion as Leona
  • Ian Down as Maniac

Crew of On Call

Still from On call (Image via Prime Video)
Still from On call (Image via Prime Video)

Creators:

  • Tim Walsh: Known for his work on Law & Order franchises.
  • Elliot Wolf: Co-creator with expertise in procedural dramas.

Executive Producers:

  • Dick Wolf: Creator of legendary shows like Law & Order and Chicago P.D.
  • Eriq La Salle: An actor-director with a significant influence on the series.
  • Tim Walsh and Elliot Wolf: Integral to the creative direction.

Producers:

  • Laura A. Garcia: Associate producer ensuring smooth production flow.
  • Ryan Janata: Oversaw day-to-day production operations.
  • Bryan Gracia: Supervising producer managing episode continuity.

Directors and rest of the crew:

  • Eriq La Salle: Directed four episodes, bringing his narrative expertise.
  • Brenna Malloy: Directed the remaining episodes with an emphasis on character development.
  • Molly Manning: Executive story editor and a key contributor to the script.
  • Bryan Gracia: Contributed episodes reflecting the complexities of policing.
  • Music Composer Atli Örvarsson: Crafted the score, enhancing the series' dramatic tone.
  • Cinematography by Adam Silver: Created the visual style of On Call.
  • Casting Director Sara Isaacson: Responsible for assembling the diverse and talented cast.

On Call is available to stream on Prime Video.

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Edited by Ankush Das
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