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.

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.