On Call (TV) Cast
The cast of On Call. Updated on August 22, 2025.
12 actors
Troian Bellisario
as Traci Harmon (8 episodes)

Troian Bellisario plays Traci Harmon, a veteran training officer with the Long Beach Police Department.

Brandon Larracuente
as Alex Diaz (8 episodes)

Brandon Larracuente plays Alex Diaz, a rookie officer learning the ropes from his experienced partner.

Lori Loughlin
as Lieutenant Bishop (8 episodes)

Lori Loughlin plays Lieutenant Bishop, a senior officer in the Long Beach Police Department.

Eriq La Salle
as Sergeant Lasman (8 episodes)

Eriq La Salle plays Sergeant Lasman, another position of leadership among the police force.

Mathew Trent Hunnicutt
as Officer Beau (8 episodes)

Mathew Trent Hunnicutt plays Officer Beau, a member of the police department working in the field.

Rich Ting
as Sergeant Koyama (8 episodes)

Rich Ting plays Sergeant Koyama, who holds a key role within the department.

Rich Ceraulo Ko
as Rolland (8 episodes)

Rich Ceraulo Ko plays Rolland, whose specific role is not well-detailed.

Mac Brandt
as Barlow (8 episodes)

Mac Brandt plays Barlow, a character whose exact duties in the show are not specified.

Rafael Cabrera
as Rafa (8 episodes)

Rafael Cabrera plays Rafa, a character with an unspecified role in the series.

Robert Bailey Jr.
as Officer Holt (8 episodes)

Robert Bailey Jr. plays Officer Holt, another officer in the Long Beach Police Department.

Bilal Sharmoug
as El Osco (2 episodes)

Bilal Sharmoug plays El Osco, a character with limited public information.

Monica Raymund
as Officer Maria Delgado (1 episode)

Monica Raymund plays Officer Maria Delgado, one of the police officers in the show.

For the best insights and data about the TV show On Call, visit our main On Call page.