List of unnamed Tilonians
Guard
This Tilonian guard was stationed at the Tilonus Institute for Mental Disorders, where William Riker was being held during a brain-washing attempt. (TNG: "Frame of Mind")
- This guard was played by stunt coordinator Dennis Madalone, who received no credit for this appearance.
Inmate 1
This Tilonian was an inmate of the Tilonus Institute for Mental Disorders. (TNG: "Frame of Mind")
- This Inmate was played by regular DS9 extra David B. Levinson, who received no on-screen credit for this appearance.