A.S.A.C. (Assistant Special Agent in Charge) Isobel Castile, Fugitive Squad Supervisor, polished and focused West Point graduate with a brief stint in Silicon Valley. She's a rising star who shuns politics and is a guided missile in the field.
Appearances
FBI
Main cast, played by Alana De La Garza
- Episode 2x01: Little Egypt (Sep 24, 2019)
- Episode 2x02: The Lives of Others (Oct 1, 2019)
- Episode 2x03: American Idol (Oct 8, 2019)
- Episode 2x04: An Imperfect Science (Oct 15, 2019)
- Episode 2x05: Crossroads (Oct 22, 2019)
- Episode 2x06: Outsider (Nov 5, 2019)
- Episode 2x07: Undisclosed (Nov 12, 2019)
- Episode 2x08: Codename: Ferdinand (Nov 19, 2019)
- Episode 2x09: Salvation (Nov 26, 2019)
- Episode 2x10: Ties that Bind (Dec 17, 2019)
- Episode 2x11: Fallout (Jan 7, 2020)
- Episode 2x12: Hard Decisions (Jan 14, 2020)
- Episode 2x13: Payback (Jan 21, 2020)
- Episode 2x14: Studio Gangster (Jan 28, 2020)
- Episode 2x15: Legacy (Feb 11, 2020)
- Episode 2x16: Safe Room (Feb 18, 2020)
- Episode 2x17: Broken Promises (Mar 10, 2020)
- Episode 2x18: American Dreams (Mar 24, 2020)
- Episode 2x19: Emotional Rescue (Mar 31, 2020)
- Episode 3x01: Never Trust a Stranger (Nov 17, 2020)
- Episode 3x02: Unreasonable Doubt (Nov 24, 2020)
- Episode 3x03: Liar's Poker (Dec 8, 2020)
- Episode 3x04: Crazy Love (Jan 24, 2021)
- Episode 3x05: Clean Slate (Jan 26, 2021)
- Episode 3x06: Uncovered (Feb 9, 2021)
- Episode 3x07: Discord (Mar 2, 2021)
- Episode 3x08: Walk the Line (Mar 9, 2021)
- Episode 3x09: Leverage (Mar 16, 2021)
- Episode 3x10: Checks and Balances (Apr 6, 2021)
- Episode 3x11: Brother's Keeper (Apr 27, 2021)
- Episode 3x12: Fathers and Sons (May 4, 2021)
- Episode 3x13: Short Squeeze (May 11, 2021)
- Episode 3x14: Trigger Effect (May 18, 2021)
- Episode 3x15: Straight Flush (May 25, 2021)
- Episode 4x01: All That Glitters (Sep 21, 2021)
- Episode 4x02: Hacktivist (Sep 28, 2021)
- Episode 4x03: Trauma (Oct 5, 2021)
- Episode 4x04: Know Thyself (Oct 12, 2021)
- Episode 4x05: Charlotte's Web (Nov 2, 2021)
- Episode 4x06: Allegiance (Nov 9, 2021)
- Episode 4x07: Gone Baby Gone (Nov 16, 2021)
- Episode 4x08: Fire and Rain (Dec 7, 2021)
- Episode 4x09: Unfinished Business (Dec 14, 2021)
- Episode 4x10: Fostered (Jan 4, 2022)
- Episode 4x11: Grief (Jan 11, 2022)
- Episode 4x12: Under Pressure (Feb 1, 2022)
- Episode 4x13: Pride and Prejudice (Feb 22, 2022)
- Episode 4x14: Ambition (Mar 8, 2022)
- Episode 4x15: Scar Tissue (Mar 22, 2022)
- Episode 4x16: Protective Details (Mar 29, 2022)
- Episode 4x17: One Night Stand (Apr 12, 2022)
- Episode 4x18: Fear Nothing (Apr 19, 2022)
- Episode 4x19: Face Off (Apr 26, 2022)
- Episode 4x20: Ghost from the Past (May 10, 2022)
- Episode 4x21: Kayla (May 17, 2022)
- Episode 5x01: Hero's Journey (Sep 20, 2022)
- Episode 5x02: Love Is Blind (Sep 27, 2022)
- Episode 5x04: Victim (Oct 11, 2022)
- Episode 5x05: Flopped Cop (Oct 18, 2022)
- Episode 5x06: Double Bind (Nov 6, 2022)
- Episode 5x07: Ready or Not (Nov 15, 2022)
- Episode 5x08: Into the Fire (Nov 22, 2022)
- Episode 5x09: Fortunate Son (Dec 13, 2022)
- Episode 5x10: Second Life (Jan 3, 2023)
- Episode 5x11: Heroes (Jan 10, 2023)
- Episode 5x12: Breakdown (Jan 24, 2023)
- Episode 5x13: Protégé (Feb 14, 2023)
- Episode 5x14: Money for Nothing (Feb 21, 2023)
- Episode 5x15: The Lies We Tell (Feb 28, 2023)
- Episode 5x16: Family First (Mar 14, 2023)
- Episode 5x17: Imminent Threat – Part Two (Apr 4, 2023)
- Episode 5x18: Obligation (Apr 11, 2023)
- Episode 5x19: Sins of the Past (Apr 18, 2023)
- Episode 5x20: Sisterhood (Apr 25, 2023)
- Episode 5x21: Privilege (May 9, 2023)
- Episode 5x22: Torn (May 16, 2023)
- Episode 5x23: God Complex (May 23, 2023)
- Episode 6x01: All the Rage (Feb 13, 2024)
- Episode 6x02: Remorse (Feb 20, 2024)
- Episode 6x03: Stay in Your Lane (Feb 27, 2024)
- Episode 6x04: Creating a Monster (Mar 12, 2024)
- Episode 6x05: Sacrifice (Mar 19, 2024)
- Episode 6x06: Unforeseen (Mar 26, 2024)
- Episode 6x07: Behind the Veil (Apr 2, 2024)
- Episode 6x08: Phantom (Apr 9, 2024)
- Episode 6x09: Best Laid Plans (Apr 16, 2024)
- Episode 6x10: Family Affair (Apr 23, 2024)
Guest cast, played by Alana De La Garza
- Episode 1x18: Most Wanted (Apr 2, 2019)