Cast of It's Always Sunny in Philadelphia

Charlie Day portrays the character of Charlie Kelly, one of the main characters in It's Always Sunny in Philadelphia. Charlie is a member of the gang and is known for his childlike innocence, conspiracy theories, and love for the waitress at the bar.

Glenn Howerton plays the role of Dennis Reynolds, a narcissistic and manipulative character in the show. Dennis is often seen as the leader of the gang and is obsessed with his physical appearance and charm.

Rob McElhenney portrays the character of Ronald 'Mac' McDonald, one of the members of the gang. Mac is known for his extreme dedication to his bodybuilding, despite having a less than ideal physique. He is also deeply religious and often clashes with other characters.

Kaitlin Olson plays the role of Deandra 'Dee' Reynolds, the only female member of the gang. Dee is often the target of ridicule and is known for her insecurities and lack of success in her acting career.

Danny DeVito is a renowned actor who portrays the character of Frank Reynolds in It's Always Sunny in Philadelphia. Frank is the father of Dee and Dennis and is known for his eccentric behavior, questionable moral compass, and love for money.

Stephen Collins guest starred in It's Always Sunny in Philadelphia as Bruce Mathis, the biological father of Dennis and Dee Reynolds. Bruce is a successful psychiatrist who abandoned his children and later reappears in their lives, causing turmoil.

Jessie Ward appeared on It's Always Sunny in Philadelphia as Brianna, a minor character in one of the episodes. Brianna is a woman who gets involved in a scheme created by the gang.

Josh Stamberg guest starred in It's Always Sunny in Philadelphia as Ari Frenkel, a psychiatrist who gets involved with the gang. Ari becomes entangled in their chaotic world and faces the consequences of his interactions with them.