Cast of Adam Ruins Everything

Adam Conover is the main host and narrator of Adam Ruins Everything. He presents well-researched information to challenge and debunk commonly held beliefs and misconceptions across a wide range of topics.

Emily Axford appears as herself in Adam Ruins Everything. She often engages in humorous banter with Adam and provides additional insights and comments on the topics being discussed.

River Butcher plays the role of another version of Adam Conover in the show. This character serves as a representation of Adam's inner thoughts and doubts, often engaging in debate and reflection on the topics at hand.

John Milhiser portrays multiple characters on Adam Ruins Everything, including Frank, a character who appears in comedic sketches, and the Newsboy, a recurring character who delivers news segments during the show.

Kerry Barker plays the role of a Female Tylenol Employee in one of the episodes of Adam Ruins Everything. This character provides information and insights related to the topic being discussed.

Tamika Katon-Donegal portrays the character of Phil's Wife. In this role, she appears in a sketch where she interacts with other characters to provide comic relief and additional context.