USS Cabot personnel
The following Starfleet personnel served aboard the  in the 2250s.

Crew manifest

Unnamed

Command division lieutenant 

After the tribble-lab breach, this officer (and the entire crew except for Edward Larkin) rushed to the escape pod. ()
This officer was played by an unknown performer.

Science division department heads 
Upon assuming command, Captain Lucero held a meeting with the ship's science department heads to provide reports on what each department had been working on, including climatology. The meeting included Lieutenants Edward Larkin, Sarah, Noel and Rob. ()

Science division junior officers 
Following the Tribble-lab breach, these officers rushed to the scene and attempted to assess the situation with Captain Lucero. ()

Tactical lt. commander 

When a lab breach alarm sounded, this tactical officer lieutenant commander and others went running to assess the issue. Later in the mess hall, Captain Lucero directed her teams to focus their energy on containment, set phaser rifles to stun, and begin moving through the decks in groups of three. She was on Captain Lucero's three-person team along with a junior science officer, and later joined the rest of the crew on the escape pod. ()
This officer was played by an unknown performer.

Tactical ensign 

This tactical officer regrouped with Captain Lucero in the mess hall after the tribble lab breach had started to take over the ship, bringing along phaser rifles. She was initially disgusted at Edward Larkin's using his own DNA to augment the tribbles, but followed the Captain's instructions to begin distributing phaser rifles set to stun. ()
This officer was played by an unknown performer.

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Unnamed individuals
Unnamed Starfleet personnel (23rd century)
Unnamed Humans