Trial & Error (TV) Cast
The cast of Trial & Error. Updated on October 2, 2025.
104 actors
Nicholas D'Agosto
as Josh Segal (23 episodes)

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

John Lithgow
as Larry Henderson (13 episodes)

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

Kristin Chenoweth
as Lavinia Peck-Foster (10 episodes)

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

Krysta Rodriguez
as Summer Henderson (13 episodes)

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

Steven Boyer
as Dwayne Reed (23 episodes)

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

Sherri Shepherd
as Anne Flatch (23 episodes)

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

Jayma Mays
as Carol Anne Keane (23 episodes)

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

Amanda Payton
as Nina Rudolph (10 episodes)

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

Shannon Chan-Kent
as Clem Tuckett (5 episodes)

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

Aias Dalman
as 10 Year Old Chet (uncredited) (1 episode)

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

AJ Achinger
as Airline Rep (uncredited) (1 episode)

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

Angel Parker
as Heidi Baker (10 episodes)

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

Bob Gunton
as Jeremiah Davis (6 episodes)
Cristine Rose
as Josie Davis (8 episodes)
Dave Allen
as Dave the Taxidermist (6 episodes)
Del Hunter-White
as Waitress (1 episode)
Patricia Belcher
as Judge Horsedich (9 episodes)
Andy Daly
as Thom Hinkle (3 episodes)
Marla Gibbs
as Mrs. Kratt (2 episodes)
Ervin Ross
as Clarence (3 episodes)
Clint Culp
as Bailiff (5 episodes)
Jason Boggs
as Errol (1 episode)
Josh Wood
as Witness (1 episode)
Kevin Durand
as Rutger Hiss (4 episodes)
Van Epperson
as Pastor (1 episode)
John Platt
as Larry Lookalike (1 episode)
Julie Hagerty
as Madame Rhonda (5 episodes)
Ginger Gonzaga
as Crystal (1 episode)
Jeremy Denzlinger
as Police Officer (1 episode)
Michael Christian Alexander
as Police Officer (1 episode)
Adam Shapiro
as Harawitz (2 episodes)
Mary Jo Catlett
as Brianne (1 episode)
Miguel Izaguirre
as Caddy (2 episodes)
Johnathan McClain
as Sherman (1 episode)
Ivar Brogger
as Interviewer (1 episode)
Zachary James Rukavina
as Jitt Munger (1 episode)
Bill Chott
as Technician (1 episode)
Fred Melamed
as Howard Mankiewicz (2 episodes)
David Theune
as Roger Bentman (1 episode)
Edwin H. Bravo
as Kirby George (1 episode)
Lorna Scott
as Suzie (6 episodes)
Steve Tom
as Anchor (1 episode)
Ian McQuown
as Eunger Chapman (1 episode)
Adam Hagenbuch
as Clanton (2 episodes)
Cheyenne Wilbur
as Alfred Tompkins (1 episode)
Alden Ray
as Patient (1 episode)
Kevin Daniels
as Alfonzo (2 episodes)
Kiva Jump
as Charlene (1 episode)
John Hartman
as Mitchell (5 episodes)
Charles Emmett
as Juror #2 (5 episodes)
Ed Ackerman
as Juror #9 (2 episodes)
Barry Livingston
as Juror #1 (5 episodes)
Tucker Albrizzi
as Hackille O'Neal (1 episode)
Melanie Paxson
as Gail (1 episode)
Loretta Shenosky
as Edna the Stenographer (4 episodes)
Rodney J. Hobbs
as Nat Hapstradt (1 episode)
Damien Diaz
as Student (1 episode)
French Stewart
as Sebastian Rappaport (1 episode)
Andie MacDowell
as Margaret Henderson (1 episode)
Seth Coltan
as Aaron Wilk (1 episode)
Joel McCrary
as Judge Kamiltow (10 episodes)
Lauren McGibbon
as Virgitte Snip the Stenographer (10 episodes)
Dee Jay Jackson
as Bailiff (3 episodes)
Philip Prajoux
as Officer Braxton (3 episodes)
Lee Shan Gibson
as Jail Guard (1 episode)
Larry Cedar
as Bucky Senior, Sr. (1 episode)
Christopher Webb
as Flag Boy (4 episodes)
Ryan Beil
as Associate Mayor (4 episodes)
Michael Hitchcock
as Jesse Ray Beaumont (7 episodes)
Sidika Larbes
as Potential Juror (1 episode)
Fiona Vroom
as Amanda Silva (2 episodes)
Colin Cowan
as Truman Derks (2 episodes)
Janet Glassford
as Nurse (1 episode)
Jim O'Heir
as Michael Poisson (1 episode)
Serge Houde
as Milton Buckley (3 episodes)
Scott Patey
as Eric 'E-bay' Baymore (1 episode)
Ricky He
as Tyler Chan (5 episodes)
Scott McNeil
as Auctioneer (1 episode)
Brendan Riggs
as Marvin Higg (1 episode)
Emma Oliver
as Poor Kid (1 episode)
Veenu Sandhu
as Officer (1 episode)
Nevin Burkholder
as Attendant (1 episode)
Adam Campbell
as Dr. Shinewell (2 episodes)
Peter Ciuffa
as Bailiff (6 episodes)
Andy Nez
as Nate (1 episode)
Caitlin Howden
as Freda Clipf (1 episode)
Jaleel White
as Atticus Ditto Jr. (2 episodes)
Brent Zulyniak
as Mayor Hiss (3 episodes)
Reece Thompson
as Mush Hammond (1 episode)
Andy Thompson
as Dr. Rock N' Law (3 episodes)
Beverley Elliott
as Kerri Rasmussen (1 episode)
Marc-Anthony Massiah
as Shedwell Booth (1 episode)
James Rha
as Dem Nutz (1 episode)
Doreen Gordon
as Young Lavinia (1 episode)
Sandy Robson
as Mr. Boom (1 episode)
Robert Mann
as Echo (1 episode)
Jim Shield
as Forge Clooney (2 episodes)
Bethel Lee
as Nurse (1 episode)
Bill Pozzobon
as Reverend Tats (1 episode)
Bob Phillips
as Todd the Homeless Baker (1 episode)
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