Cast of Trial & Error

Nicholas D'Agosto plays Josh Segal, a bright New York lawyer who takes on the case.

John Lithgow portrays Larry Henderson, the quirky poetry professor accused of murder.

Kristin Chenoweth is Lavinia Peck-Foster, a flamboyant socialite entangled in another murder case.

Krysta Rodriguez plays Summer Henderson, Larry's supportive adopted daughter.

Steven Boyer takes on the role of Dwayne Reed, a local police officer with a unique approach to law enforcement.

Sherri Shepherd is Anne Flatch, Josh's highly incompetent assistant who's plagued with unusual disorders.

Jayma Mays plays Carol Anne Keane, the determined prosecutor with a personal vendetta against Josh.

Amanda Payton is Nina Rudolph, a bold podcast host who becomes involved in the case.

Shannon Chan-Kent plays Clem Tuckett, contributing to the series in a supporting role.

Aias Dalman portrays 10 Year Old Chet in an uncredited role.

AJ Achinger appears as an Airline Rep in an uncredited role.

Angel Parker plays Heidi Baker, adding to the series in a supporting role.