It's Always Sunny in Philadelphia Dennis' Double Life (Season 12, Episode 10)
TV-MA
TV Episode | 23 min | Comedy

It's Always Sunny in Philadelphia

Dennis' Double Life (Season 12, Episode 10)

TV-MA

TV Episode | 23 min | Comedy

Dennis reveals that he has a baby from his layover time in North Dakota and everyone offers solutions to the problem, but in the end, Dennis must decide which life to continue to lead.

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Cast	+ Add Cast
9 cast members

Name	Known for
Charlie Day Charlie Kelly Charlie Kelly See fewer	It's Always Sunny in Philadelphia (2005)
Glenn Howerton Dennis Reynolds Dennis Reynolds See fewer	It's Always Sunny in Philadelphia (2005)
Rob Mac Mac (as Rob McElhenney) Mac (as Rob McElhenney) See fewer	It's Always Sunny in Philadelphia (2005)
Kaitlin Olson Dee Reynolds Dee Reynolds See fewer	Finding Dory (2016)
Danny DeVito Frank Reynolds Frank Reynolds See fewer	Matilda (1996)
Mary Elizabeth Ellis Waitress Waitress See fewer	Masterminds (I) (2016)
Christine Woods Mandy Mandy See fewer	Hello Ladies (2013)
Jaxon Korossy Brian Jr. #1 Brian Jr. #1 See fewer	It's Always Sunny in Philadelphia (2005)
Lucas Korossy Brian Jr. #2 Brian Jr. #2 See fewer	It's Always Sunny in Philadelphia (2005)