The cast ofPulseis stacked with many familiar faces across TV and film.

Here are the characters you oughta know and the actors who play them.

BeforePulse,Bannon starred inPennyworth, The Imitation Game, Endeavour,andMedici.

Jessica Rothe as Cass Himmelstein, Jack Bannon as Dr. Tom Cole, Jessy Yates as Harper, Jessie T. Usher as Sam Elijah, and Willa Fitzgerald as Danny in Episode 101 of Pulse

Jessie T. Usher is Sam Elijah

Sam Elijah is a third-year emergency medicine resident at Maguire.

He and Danny may be friends, but shes also his competition for chief resident.

Sam is thoughtful and altruistic, but has a competitive edge despite his calm demeanor.

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She oversees both departments in an administrative role while also lending her skills on the floor when needed.

Despite the long hours and seemingly never-ending workload, Camila does her best to stay optimistic.

Nieves has previously appeared inVampire Academy, Sex Appeal, Every Witch Way,andWITS Academy.

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BeforePulse,Yates appeared in the TV seriesMeandSpeechless.

Chelsea Muirhead is Sophie Chan

Sophie Chan is a surgical intern who works under Tom.

She is smart and incredibly capable, even if Tom is often unwilling to see it.

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Sophie is played by Chelsea Muirhead, who you might recognize from the showsWarriorandSlo Pitch.

Santiago Segura is Gabriel Moreno

Santiago Segura plays ER nurse Gabriel Moreno.

Gabriel is a highly competent and skilled team player at Maguire, but isnt always easy to impress.

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You might recognize Segura fromScream: The TV SeriesandWalker: Independence.

Dr. Soriano is highly respected, especially by Tom who hopes to learn from the esteemed doctor.

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