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Molly O'Brien

expressive insistent innocent dependent vulnerable
Molly O'Brien is the infant daughter of USS Enterprise-D Transporter Chief Miles O'Brien and botanist Keiko O'Brien. She lives aboard the starship with her parents, embodying the innocence and vulnerability of family life amid Starfleet service. Her presence underscores her parents' personal stakes in missions, strengthening family bonds and highlighting emotional anchors in high-pressure environments.
19 appearances
Starfleet Family Dynamics
Also known as: Molly, Molly O’Brien, MOLLY

Molly O'Brien's Journey

A timeline through the narrative

19 moments
Season 5 (16) Season 6 (3)
S5E15 · Power Play
O'Brien's rescue attempt disrupted by storm

Not directly depicted, but inferred as a source of warmth and urgency for O'Brien. Her absence and the threat to her safety (implied by the Ux-Mal's later actions) heighten the tension.

Molly O'Brien is mentioned by her father, O'Brien, as the reason for his urgency to return to the Enterprise. Her presence in the dialogue adds emotional weight to the scene, …

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S5E15 · Power Play
Possessed crew breaches Ten Forward

Distressed and frightened, her cries reflecting the chaos and danger around her.

Molly cries loudly in Keiko’s arms, her distress escalating as the phaser firefight erupts. She is the most vulnerable target in the room, her cries serving as an emotional lever …

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S5E15 · Power Play
Possessed crew ambushes Ten Forward

Overwhelming distress—no understanding of the conflict, only the primal fear of loud noises, movement, and her mother's tension.

Molly O'Brien cries inconsolably in Keiko's arms as the phaser battle rages. Her distress is the emotional core of the scene—a reminder that the possessed crew's actions have consequences far …

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S5E15 · Power Play
Troi rejects Picard’s trust, demands ship access

Frightened and distressed—Molly’s crying is not performative but a raw expression of her fear, amplifying the Ux-Mal’s instability. Her presence forces the entities to confront the consequences of their actions in a way their possession cannot ignore.

Molly’s crying serves as a disruptive force in the standoff, her infant distress agitating Data and O’Brien (possessed). O’Brien’s fascination with her—his brief touch, his demand for silence—reveals the Ux-Mal’s …

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S5E15 · Power Play
O'Brien’s possession fractures under Molly’s cry

Frightened and crying, her distress a catalyst for the entities’ unraveling.

Molly O’Brien, an infant hostage, cries inconsolably in Keiko’s arms, her distress serving as an unintentional but powerful weapon against the possessed crew. Her crying triggers O’Brien’s brief recognition of …

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S5E15 · Power Play
Picard dismantles Troi’s alien deception

Frightened and distressed, her crying a visceral reminder of the entities’ emotional manipulation tactics.

Molly O’Brien cries repeatedly, drawing the attention and irritation of the possessed crew. Her presence is used as emotional leverage by the Ux-Mal entities, who exploit Keiko’s maternal instincts and …

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S5E15 · Power Play
Possessed crew weaponize intimacy and escalate threats

Frightened and confused, her distress a reflection of the chaos and danger around her.

Molly cries as a supernumerary takes her from Keiko’s arms during the standoff. Her infant distress underscores the human cost of the Ux-Mal’s actions, serving as a silent but potent …

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S5E15 · Power Play
O'Brien weaponizes Keiko’s memories

Frightened and confused—Molly’s cries are a raw, emotional counterpoint to the cold calculations of the Ux-Mal, humanizing the stakes of the hostage crisis.

Molly cries as a supernumerary separates her from Keiko during the hostage standoff. Her distress underscores the stakes of the crisis, serving as a poignant reminder of the innocent lives …

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S5E15 · Power Play
Possessed crew escalate hostage crisis

Frightened and distressed, her cries reflecting the fear and chaos in the room.

Molly, an infant hostage, cries as O’Brien separates her from Keiko, her distress amplifying the tension in the room. Her presence is a constant reminder of the stakes—innocence caught in …

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S5E15 · Power Play
Possessed crew seizes Ten Forward

Distressed and crying, her fear and confusion palpable as she is torn from her mother.

Molly O'Brien, the infant daughter of Keiko and O'Brien, is separated from her mother by the possessed O'Brien. Her crying as she is handed to a random crew member underscores …

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S5E15 · Power Play
O'Brien discards Molly to expedite escape

Crying and distressed, reflecting the natural response of an infant to chaos and separation. Molly’s presence serves as an emotional anchor, highlighting the stark contrast between the entities’ ruthlessness and human compassion.

Molly O’Brien, an infant, cries persistently as she is jostled by the movements of the possessed crew. Her crying serves as a distraction, prompting the possessed O’Brien to discard her …

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S5E15 · Power Play
Troi reveals the entity’s predatory intelligence

Content and secure in her parents’ arms, her smile reflecting the relief and love in the room. She is a passive but powerful presence, her innocence a counterpoint to the darkness of the Ux-Mal’s threat.

Molly is held in Keiko’s arms, her tiny face lighting up with a smile as O’Brien hugs her and Keiko. She is the embodiment of innocence and resilience, a living …

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S5E15 · Power Play
Data Apologizes to Worf

Content and secure in her parents’ embrace, oblivious to the broader crisis but serving as a reminder of what the crew is fighting to protect.

Molly is present as an infant during O’Brien’s medical scan and reunion with Keiko. Her smile during the exchange contributes to the scene’s warmth and sense of closure, symbolizing innocence …

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S5E15 · Power Play
O'Brien's Emotional Reclamation and Family Reconciliation

Content and secure, her smile reflecting the simple joy of being with her parents. Her emotional state is a mirror for the audience, highlighting the contrast between her innocence and the adults' trauma.

Molly O'Brien, cradled in Keiko's arms, serves as a silent but potent symbol of the family's vulnerability and the stakes of the crisis. Her smile during the reunion is a …

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S5E15 · Power Play
Picard exploits Ux-Mal distrust with transporter trap

Distressed and confused, reacting to the tension and fear around her.

Molly, an infant, is held hostage in Ten Forward, her distress evident as she clings to Keiko. Her presence adds an emotional weight to the standoff, serving as a constant …

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S5E15 · Power Play
Restoring the Rings and Reuniting Families

Vulnerable and fearful during captivity; content and secure post-reunion.

Molly O'Brien, an infant hostage in Ten Forward, is used as emotional leverage by the Ux-Mal entities. Her vulnerability during captivity contrasts sharply with her contentment once reunited with her …

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Affiliation

Crew of the USS Enterprise
member
Starship Command, Operations, Personnel Management, and Crew Welfare

Molly O'Brien is the daughter of Chief Miles O'Brien and Keiko O'Brien, both crew members aboard the USS Enterprise (NCC-1701-D); she is a member of their family unit living aboard the starship.

Across the Seasons

How this character reads at season scale

Season 5 · asteroid

Molly O'Brien is the infant daughter of USS Enterprise-D Transporter Chief Miles O'Brien and botanist Keiko O'Brien. She lives aboard the starship with her parents, embodying the innocence and vulnerability of family life amid Starfleet service. Her presence underscores her parents' personal stakes in missions, strengthening family bonds and highlighting emotional anchors in high-pressure environments.