On Call: Full cast list explored

Still from the series (Image via YouTube/ Prime Video)
Still from the series (Image via YouTube/ Prime Video)

On Call, the latest procedural drama from Prime Video premiered on January 9, 2025. Set in Long Beach, California, the series explores the personal and professional lives of two police officers, navigating the challenges of modern law enforcement. The show dives deep into moral dilemmas, interpersonal dynamics, and broader societal issues.

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Starring Troian Bellisario as Officer Traci Harmon and Brandon Larracuente as Officer Alex Diaz, the series also features Eriq La Salle, Lori Loughlin, and Rich Ting in key roles. Co-created by Tim Walsh and Elliot Wolf, On Call brings a fresh perspective on policing by weaving together high-stakes drama and character-driven storytelling.


Meet the cast of On Call

1) Troian Bellisario as Officer Traci Harmon

Still from the series (Image via YouTube/ Prime Video)
Still from the series (Image via YouTube/ Prime Video)

Meet two brothers drawn into a life of crime when there father passes HERE

The role of Traci Harmon is played by Troian Bellisario, a 12-year veteran on the force. As a training officer, Harmon is characterized by her moral compass and dedication in her approach to mentoring and law enforcement.

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Famous for her role as Spencer Hastings in Pretty Little Liars, Bellisario brings signature depth and intensity to this role, making her as an impressive actor.


2) Brandon Larracuente as Officer Alex Diaz

Still from the series (Image via YouTube/ Prime Video)
Still from the series (Image via YouTube/ Prime Video)

The series stars Brandon Larracuente as Alex Diaz, the ambitious rookie intent on making a difference. As Diaz comes to grapple with the cold realities of policing, he is trying his best to maintain a sense of hope and morality.

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Larracuente has had standout roles in 13 Reasons Why as Jeff Atkins and in Party of Five as Emilio Acosta. He brings yet another layer to his repertoire as the character navigates emotional complexities.


3) Eriq La Salle as Sergeant Lasman

Still from the series (Image via YouTube/ Prime Video)
Still from the series (Image via YouTube/ Prime Video)

Sergeant Lasman is played by Eriq La Salle, who also moonlights as an executive producer and director for much of the season. A tough-line leader, Lasman constantly clashes with the soft line from Officer Harmon.

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La Salle has become a legend playing Dr. Peter Benton in ER, giving a certain cache to the role in On Call.


4) Lori Loughlin as Lieutenant Bishop

Still from the series (Image via YouTube/ Prime Video)
Still from the series (Image via YouTube/ Prime Video)

Lori Loughlin plays the role of Lieutenant Bishop, a supervisor of Harmon within the police department.

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This role is completely different from the highly publicized Rebecca Donaldson Katsopolis from Full House. Loughlin is also known for her roles as Debbie Wilson in 90210 and Jennifer Shannon in Garage Sale Mystery. Here, she gets to play the authoritative and dramatic part, which makes this character more complex.

Read more: What is Prime Video's Secret Level? Everything to know about the upcoming animated anthology series


5) Rich Ting as Sergeant Tyson Koyama

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Still from the series (Image via YouTube/ Prime Video)
Still from the series (Image via YouTube/ Prime Video)

Joining the main cast is Rich Ting as Sergeant Tyson Koyama, head of the narcotics division.

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Ting also had roles in Warrior and The Man in the High Castle as Captain Iijima, and brought intensity as well as nuances to his portrayals, that reflect these kinds of multidimensional characters.


Supporting Cast

The supporting cast of On Call brings additional depth and complexity to the series. They are:

  • Mac Brandt as Officer Barlowe
  • Lobo Sebastian as Smokey
  • Robert Bailey Jr. as Officer Holt
  • Laura Linda Bradley as Medic Wynn
  • Monica Raymund as Officer Maria Delgado
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Read more: 7 movies similar to Prime Video’s Culpa Mia


About On Call

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On Call explores the personal and professional life of police officers while responding to a variety of diverse and often high-pressure situations. Set against the vibrant yet challenging backdrop of Long Beach, California, the series features the moral dilemmas, interpersonal dynamics, and societal pressures at stake when enforcing the law.

With a character-driven approach, On Call has been unique in offering a perspective on the humanity and resilience required for survivors to deal with the contemporary challenge posed by modern policing.

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On Call is only available on Prime Video.

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Edited by Ahana Mukhopadhyay
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