Kaitlin Olson's husband, Rob McElhenney, can sometimes be her biggest critic, which is why she was "so nervous" for him to watch her new show, High Potential. "We are both very critical of entertainment and projects.

Kaitlin Olson has been in the news following the premiere of her new show, High Potential. While fans are aware of her acting accomplishments, they are curious about the man by her side throughout her successful career.

Kaitlin Olson (High Potential) on why It's Always Sunny in Philadelphia is still a success and working with her husband, Rob McElhenney.

The longtime star of “It’s Always Sunny in Philadelphia” is a brilliant crime-solving maid in this new ABC procedural.

The longtime co-star of the FXX sitcom “It’s Always Sunny in Philadelphia” has done extra duty before in her own series – Fox’s “The Mick” – and she’s now doing it again. ABC’s seriocomic “High Potential” premieres today, casting Olson as crime-scene cleaner Morgan, a single mother who solves cases in her own unconventional manner.

Olson leads the new ABC crime show High Potential, which premieres on the network on Tuesday, September 17, at 10 pm ET/PT. Based on the French TV show HPI, High Potential follows Morgan, a cleaning lady with an IQ of more than 160 who uses her knowledge and insights to help the Los Angeles Police Department solve cases.