Watch the clip above: a small animal is there, then it isn't, and the ground underneath keeps tracking with the camera instead of smearing into a patch. Scaling that same idea up to a person is the harder version of the job. A person is bigger, walks instead of sitting still, and drags a shadow with them wherever they go, so this guide is about what changes in Premiere Pro once the subject isn't a small, mostly stationary object anymore.
The Premiere Pro route
Premiere Pro doesn't have a tool built for lifting a person out of a shot. The path is Dynamic Link: right-click the clip and use Replace with After Effects Composition to send it to After Effects. There, Roto Brush draws and tracks a mask around the person, and the Content-Aware Fill panel fills in what's left once the mask is removed. If the shot has real camera movement under the person, Mocha AE, which ships with After Effects, handles the planar tracking that keeps the fill anchored to the moving background instead of sliding around on top of it.
Where it breaks
Content-Aware Fill and Roto Brush were built around a fairly short, stable range. A person walking across frame changes outline on every step, and the camera is often moving too, so the fill has to invent more background on more frames than a static object ever needs. That's where it shows: a smeared patch where the person used to be, a flicker where the fill loses the thread of what's behind them, or a faint outline where the mask ran a few pixels short. The shadow is the most common miss. If Roto Brush only tracked the body, the shadow stays on the ground after the person is gone, which gives the whole shot away instantly.
The AI pass, for a person that moves
The fix is the same idea as any moving-subject removal, just with a bigger, more complex mask.
1. Mask the whole clip, not one frame
Draw the mask on a frame where the person is clearest, then track it forward and backward through the shot. Scrub the result at full speed and note where it drifts, usually where they turn, are partly blocked by something, or cross another person.
2. Grow the mask to cover the shadow and reflection
A person removed cleanly but still casting a shadow on the floor, or still visible in a window or puddle, is the giveaway to fix before anything else.
3. Remove and rebuild the background across the shot
Run the removal on the tracked region so the background behind the person is rebuilt over time rather than patched frame by frame. That's what keeps it moving naturally with the camera instead of sitting on the image like a sticker.
4. Round-trip back to Premiere Pro
Export the result as EDL, FCPXML or OpenTimelineIO and drop it into your Premiere Pro project. Grading, mixing and delivery stay exactly where you already do them.
Asking an agent to do the AI pass
Remove the person walking through this shot. Track them through the whole clip, including their shadow, and keep the background moving naturally with the camera. Show me the result before replacing the original, then export it as an EDL.
With the run mode set to review, the agent masks and removes the person and waits for your approval before touching the original clip. You decide if it's clean, and the export lands straight into your Premiere Pro timeline.
When Premiere Pro's own route is enough
If the person barely moves, the camera is locked off, and the shot is a couple of seconds long, Dynamic Link into Roto Brush and Content-Aware Fill is faster than setting up a separate pass. Reach for the tracked-mask route once the person is walking, turning, or getting crossed by someone else, which is exactly where a frame-by-frame mask starts costing more time than it saves.
Download the free Shoty editor for the tracked-mask route. For the masking step on its own, see AI rotoscoping, and for the object-removal case, remove object from video with AI.