Lucifer

Tom Ellis portrays the titular character of Lucifer Morningstar, a charming and devilishly handsome fallen angel who abandons his role as the Lord of Hell to open a nightclub in Los Angeles. He also portrays Lucifer's twin brother, Michael, in the fifth season of the show.

Lauren German plays the role of Chloe Decker, a talented detective for the Los Angeles Police Department. She becomes entangled in Lucifer's world and develops a complicated relationship with him throughout the series.

Kevin Alejandro portrays Dan Espinoza, an LAPD detective who initially dislikes Lucifer but later becomes a close ally. He is also the ex-husband of Chloe Decker and shares a complicated relationship with her.

D.B. Woodside plays the character of Amenadiel, an angel and brother of Lucifer. He initially comes to Earth to convince Lucifer to return to Hell but eventually becomes his close friend and ally.

Lesley-Ann Brandt portrays Mazikeen, commonly known as Maze, who is a demon and close friend of Lucifer. She works as a bartender at his nightclub and often assists him in solving cases.

Aimee Garcia plays the role of Ella Lopez, a forensic scientist and crime scene investigator for the LAPD. She is known for her bubbly personality and is a trusted friend of Chloe Decker.

Tom Welling portrays Marcus Pierce, an LAPD lieutenant who arrives in the third season. He becomes involved in a complicated love triangle with Chloe Decker and Lucifer Morningstar.

Rachael Harris plays the character of Linda Martin, a skilled therapist who becomes close to Lucifer and later enters a romantic relationship with him. She provides guidance and support to many of the characters throughout the series.