Power · A Viewer's Companion
Everybody on this show answers to two names, and Power never stops to tell you which one is being used. Magenta is the St. Patricks by blood; electric blue is Tommy Egan and the street family who raised each other; mint is the law — prosecutors, feds, lawyers and one very dirty cop. Gold ties are couples, a fat blue tie is the brotherhood that isn't blood, and a crimson dash is something somebody is hiding.
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Six seasons, one club, and a cast where almost nobody is related to the person they'd die for. The essentials:
All the same person. James St. Patrick is the owner of Truth, a Manhattan nightclub he built to become legitimate; Ghost is the name he answers to as New York's biggest distributor; Jamie is what Angela has called him since high school. The show cuts between the three without warning, which is the joke and also the plot. By season six he is a candidate for Lieutenant Governor of New York and still hasn't put the other job down.
Kate Egan took James in as a teenager, so James and Tommy grew up as brothers and named the business after both of them — the St. Patrick–Egan organization. There is no biological link, and Tommy spends six seasons proving he doesn't need one. In season 4 he meets a Bensonhurst mobster in prison named Tony Teresi and learns Teresi is his father; a season later he finds out his father has been informing on him, and shoots him.
Angela Valdes and James were high-school sweethearts in Queens. She comes back into his life as an assistant U.S. attorney chasing a distributor she knows only as “Ghost” — the show's central engine, and the reason the magenta and the mint keep touching. Her sister Paz and her FBI boyfriend Greg Knox are the two people who see it coming. Greg is murdered by his own colleague Mike Sandoval, and James is arrested for it.
Tariq and Raina are twins; Yasmine is the baby. In season 4, a crooked cop called Ray Ray comes for Tariq and shoots Raina instead — and Tariq hunts Ray Ray down and kills him. It never gets better after that. In the series finale, Tariq is the one who shoots his father off the balcony at Truth, and Tasha is arrested for the murder in his place.
Kanan Stark ran the corner James and Tommy came up on and taught them the trade; James put him in prison for a decade to take the top spot, which Kanan comes back to collect on. His son Shawn is Ghost's driver — and, quietly, Tasha's lover. Kanan shoots Shawn himself in season 2, and dies in a police shootout in season 5, moments after saving Tariq.
Joe Proctor is Ghost's attorney and fixer, the mob-adjacent one who knows everything. Terry Silver is Tasha's divorce lawyer, and then rather more than that. Cooper Saxe is the assistant U.S. attorney who spends the entire series unable to let go. Ghost strangles Silver; Tommy kills Proctor; only Saxe is still standing at the end.
Nicknames, street names and government names, all in play at once. Keep these straight:
Three generations of the same corner. Kanan taught Ghost; Ghost brought up Dre. None of them are related, and each one wants the job the last one has.
Tasha is Ghost's wife and business partner. LaKeisha Grant is her best friend from the neighborhood, who runs a salon and later takes up with Tommy. Their friendship is the thing season 6 breaks.
The Valdes sisters. Angela is the federal prosecutor and Ghost's first love; Paz is the older sister who never liked him and turns out to be right about everything.
Tariq and Raina are twins — the same age, opposite temperaments. Yasmine (“Yaz”) is the little one, mostly kept off-screen and out of it.
Kate is Tommy's chaotic mother, who also raised James. Teresi is the mobster Tommy meets in prison in season 4. They had Tommy together; Kate never told either of them.
Three men who work for the organization and are not in the family. Shawn drives Ghost, Julio runs distribution, 2-Bit is Tommy's soldier — the only one of the three still around at the end.
Everyone here has a law degree and a different boss. Proctor works for Ghost, Saxe prosecutes him, Sandoval supervises Angela. Sandoval is the cartel's man inside the office.
Truth is the legitimate club and the front; the Wash N' Folds laundromats are Tommy's; the street product moves through crews you meet by nickname only. When someone says “the club,” they mean Truth.

The New York councilman who adopts James as his path to higher office, then spends three seasons trying to work out what to do with what he learns.

The Mexican connect at the top of the supply chain in the early seasons — the man Ghost and Tommy both work for, and the case Angela is actually building.

Angela's supervisor at the U.S. Attorney's office. He is the leak: the man feeding Lobos from inside the prosecution, and Greg Knox's killer.

Francis “2-Bit” Johnson, Tommy's most reliable soldier and the closest thing this show has to a survivor. Promoted to the main cast for the final season.
Chart covers all six seasons of the original Power (Starz, 2014–2020, 63 episodes, created by Courtney A. Kemp), so spoilers run through the series finale, “Exactly How We Planned.” Details were checked against the Power wiki rather than memory; portraits are stills from that wiki, cropped and served from this site. Yasmine has no portrait anywhere on the wiki, so she gets her initials. The spin-offs — Power Book II: Ghost, Power Book III: Raising Kanan and Power Book IV: Force — carry several of these people much further and are not charted here.