He spends such a long period as a human that his psychology begins to change.

So, the transformation is far more than just a surface-level change.

Both times, he uses the Alien Ball technology to assist him in the change.

Resident Alien Season 3 Poster Showing Alan Tudyk Flipping Off UFOs

If Harry’s skill in combat wasn’t enough, he also heals incredibly quickly.

There are two especially prominent examples of Harry’s use of this power.

However,Resident Alienproves that Harry’s species' DNA is compatible with the human genome.

Custom Resident Alien image of Alan Tudyk in his human and aliens forms as Harry Vanderspeigle

Custom Image by Yailin Chacon

Bridget’s mother, Violinda Darvell, is played by Maxim Roy.

Resident Aliendoubles down on its alien/human genetic compatibility with the introduction of the Grey/human hybrids.

Appearances can be deceiving, though.

Harry Vanderspeigle dodging Liza’s punch in Resident Alien season 3 ep 7

Image via SyFy

If it weren’t for Harry’s immense intellect, huge portions of the story wouldn’t have happened.

Without him,Resident Alienwould have been over very quickly.

Cameos in Resident Alien

Sara Tomko as Asta Twelvetrees looking sad next to Alan Tudyk’s Harry Vanderspeigle in Resident Alien

Bridget, the alien baby in Resident Alien season 3 ep 7

Image via SyFy

Alan Tudyk as Harry Vanderspeigle in Resident Alien

Custom Resident Alien image of Elizabeth Bowen as Liv Baker, Alan Tudyk as Harry Vanderspeigle, and Corey Reynolds as Mike Thompson

Headshot Of Alan Tudyk In The 2024 Astra TV Awards at Millennium Biltmore Hotel

Cast Placeholder Image

Resident Alien