Tracker is one of TV’s biggest shows. Justin Hartley anchors the CBS drama as Colter Shaw, a lone survivalist and skilled tracker with a knack for finding missing people. Hartley is supported by an ensemble that includes Fiona Rene as Colter’s attorney Reenie Greene and Chris Lee as his tech expert Randy. The show returns for Season 4, starting Sunday, Oct. 4, on CBS and Paramount+.
Since its start, the show’s cast of regular, recurring, and guest characters has also evolved. While Colter’s a loner, other characters play important roles in his cases and family story. This guide covers the principal Tracker cast and characters, plus notable recurring and guest stars.
SPOILER ALERT: Key plot points from the first three seasons of Tracker will be discussed.
Key facts
- Justin Hartley leads the Tracker cast as survivalist and skilled tracker Colter Shaw.
- Fiona Rene plays Colter’s attorney, Reenie Greene, while Chris Lee plays tech expert Randy and Cassady McClincy Zhang plays Reenie’s sharp new hire, Mel.
- Tracker Season 4 premieres Sunday, Oct. 4, on CBS and Paramount+*.
- The CBS drama follows Colter Shaw (Hartley) as he tracks down missing people.
*New episodes can be streamed live on Paramount+ as they air on CBS with a subscription to the Paramount+ Premium plan. New episodes can be streamed on demand the day after they air with a subscription to any Paramount+ plan, either Paramount+ Premium or Paramount+ Essential.
Who is in the Tracker cast?
Here are the major players in Colter Shaw’s world:
- Justin Hartley as Colter Shaw
- Fiona Rene as Reenie Greene
- Chris Lee as Randy
- Cassady McClincy Zhang as Mel Day
- Jensen Ackles as Russell Shaw
- Wendy Crewson as Mary Dove Shaw
- Sofia Pernas as Billie Matalon
- Abby McEnany as Velma Bruin
- Eric Graise as Bobby Exley
- Robin Weigert as Teddi Bruin
Meet the Tracker cast
The Tracker cast features these series stars:
Justin Hartley as Colter Shaw
Justin Hartley plays Colter Shaw on Tracker. Colter, who makes his living as a reward seeker, balances grit with vulnerability while navigating dangerous cases. Hartley also serves as an executive producer on the show.
Even as he tracks down answers to his cases, Colter is haunted by and pulled deeper into the mystery of his family’s past, including long-buried secrets about his father’s death. Colter returns as series lead in Tracker Season 4
Where you’ve seen Hartley: This Is Us, Smallville, The Young and the Restless
Fiona Rene as Reenie Greene
Fiona Rene plays Reenie Greene on Tracker. Reenie is an attorney and a longtime member of Colter’s circle. Since her introduction in Season 1, Reenie has launched her own law firm. Her professional growth parallels her personal journey as she navigates her sometimes confusing feelings for Colter. Reenie returns as a series regular in Tracker Season 4.
Where you’ve seen Rene: The Lincoln Lawyer, I Know What You Did Last Summer
Chris Lee as Randy
Chris Lee plays Randy on Tracker. He first appeared in Season 2. When his cousin Bobby took a leave of absence as Colter’s tech expert, Randy took over his job in Season 3. He enters Tracker Season 4 as a series regular.
Where you’ve seen Lee: The Chi, Legacies
Cassady McClincy Zhang as Mel Day
Cassady McClincy Zhang plays Melanie “Mel” Day in Tracker, and has also been updated to a series regular for Season 4. Mel is the go-getter assistant and breath of fresh air in the office with Reenie (Rene) and Randy (Lee).
Where you’ve seen Zhang: (The Walking Dead, Ozark, and Love, Simon)
Recurring and former cast
Here’s a rundown of the characters who’ve visited Colter’s world in Tracker.
Jensen Ackles as Russell Shaw
Jensen Ackles plays Russell Shaw on Tracker. Russell is Colter’s estranged older brother, a former soldier turned private security contractor. Russell ended Season 3 keeping a secret from Colter about their father. He returns in Tracker Season 4.
Where you’ve seen Ackles: Supernatural, The Boys, My Bloody Valentine
Abby McEnany as Velma Bruin
Abby McEnany plays Velma Bruin on Tracker Seasons 1-2. Velma works alongside her wife, Teddi, serving as one of Colter’s handlers. When Teddi left town after Season 1, Velma became Colter’s main handler. Velma exited as a series regular ahead of Season 3.
Where you’ve seen McEnany: Work in Progress, And Just Like That …
Eric Graise as Bobby Exley
Eric Graise plays Bobby Exley on Tracker Seasons 1-2. Bobby serves as Colter’s tech expert, providing crucial intel and hacking assistance from his base in Chicago. When Bobby left the regular cast ahead of Season 3, his cousin Randy stepped in and filled his role.
Where you’ve seen Graise: The Tomorrow War, Teenage Bounty Hunters
Robin Weigert as Teddi Bruin
Robin Weigert plays Teddi Bruin on Tracker Season 1. Teddi is one of Colter’s original handlers. Along with her wife Velma, she manages the operations behind his cases. Teddi left the cast after Season 1 to care for her mother.
Where you’ve seen Weigert: Deadwood, Smile
What Tracker is about?
Tracker follows Colter Shaw (Justin Hartley), who finds missing people (or resolves the mysteries of what happened to them) in exchange for rewards. The series is based on Jeffery Deaver’s The Never Game. Each episode presents Colter with a new client and a new mission. Along the way, Colter confronts his family’s dark history in a serialized storyline.
Watch Tracker on Paramount+
*New episodes can be streamed live on Paramount+ as they air on CBS via the Paramount+ Premium plan, or they can be streamed on the day after they air via any Paramount+ plan.
BIG BLUE BOX: Tracker
Tracker
Watch NowFAQ
Who plays Colter Shaw on Tracker?
Justin Hartley plays Colter Shaw in Tracker. He pulls double duty on the show as an executive producer.
Who plays Colter’s brother Russell on Tracker?
Jensen Ackles plays Colter Shaw’s older brother Russell on Tracker. Ackles is a recurring/special guest on the show.
Is Jensen Ackles returning to Tracker?
Yes, Jensen Ackles is returning as Russell Shaw on Tracker for Season 4.
What happened to Velma and Bobby on Tracker?
Velma Bruin and Bobby Exley left Tracker after Season 2. Velma (Abby McEnany) left to go see her estranged wife, Teddi. Bobby (Eric Graise) quit his job at the repair shop and took a new position. For more, see their profiles in the “Recurring and former cast” section above.
Who is new to the Tracker Season 4 cast?
In Tracker Season 4, Michael Malarkey has joined the cast in the recurring role of Adam, a private investigator for high-end law firms with a history with Reenie (Fiona Rene). Additionally, Cassady McClincy Zhang’s recurring role as Reenie’s ambitious legal assistant, Melanie “Mel” Day, has been promoted to series regular.
