The Odd Couple

Oscar Madison

Felix Unger

Teddy (7 episodes, 2014-2015)

Emily (7 episodes, 2014-2015)

Dani (6 episodes, 2015)

Matthew Perry and Thomas Lennon previously starred together as mismatched best friends in 17 Again (2009).

Thomas Lennon guest stared on "The one in Vegas" episode of "Friends" as Randall, Joey's hand twin

Thomas Lennon appears on How I Met Your Mother, as Claus, to where at one point during season 8, he watches a show very similar to The Odd Couple, but in German. Pointing out that one roommate is "neat" and the other is "very, very neat."