John Billingsley

Star Trek: Enterprise

as Phlox

Episodes: 97

First Aired: Sep 26, 2001

True Blood

as Mike Spencer

Episodes: 17

First Aired: Sep 07, 2008

The Nine

as Egan Foote

Episodes: 13

First Aired: Oct 04, 2006

The Others

as Prof. Miles Ballard

Episodes: 13

First Aired: Feb 05, 2000

Intelligence

as Dr. William Crispin

Episodes: 13

First Aired: Jan 07, 2014

Masters of Sex

as Dr. Lloyd Madden

Episodes: 4

First Aired: Sep 29, 2013

Manhunt

as Judge Joseph Holt

Episodes: 3

First Aired: Mar 14, 2024

Six Feet Under

as Boring Man

Episodes: 2

First Aired: Jun 03, 2001

Cold Case

as George Marks (2005)

Episodes: 2

First Aired: Sep 28, 2003

Nikita

as Heidecker

Episodes: 2

First Aired: Sep 09, 2010

The Bridge

as Mr. DeLarge

Episodes: 2

First Aired: Jul 10, 2013

Grey's Anatomy

as Jacob Nolston

Episodes: 2

First Aired: Mar 27, 2005

Suits

as Stan Jacobson

Episodes: 2

First Aired: Jun 23, 2011

Prison Break

as Terrence Steadman

Episodes: 2

First Aired: Aug 29, 2005

Grotesquerie

as Dr. John Lehman

Episodes: 2

First Aired: Sep 25, 2024

CSI: Crime Scene Investigation

as Paul Cydon

Episodes: 1

First Aired: Oct 06, 2000

Ghost Whisperer

as Mike

Episodes: 1

First Aired: Sep 23, 2005

Judging Amy

as Bebe's Attorney

Episodes: 1

First Aired: Sep 19, 1999

The Pretender

as Kenny

Episodes: 1

First Aired: Sep 19, 1996

Angel

as Dr. Royce

Episodes: 1

First Aired: Oct 05, 1999

CSI: NY

as Cecil Arthur

Episodes: 1

First Aired: Sep 22, 2004

Scooby-Doo! Mystery Incorporated

as Dr. Henklefust (voice)

Episodes: 1

First Aired: Jul 12, 2010

Without a Trace

as Harry

Episodes: 1

First Aired: Sep 26, 2002

Criminal Minds

as Hugh Rollins

Episodes: 1

First Aired: Sep 22, 2005

The X-Files

as Timothy 'Timmy the Geek' Landau

Episodes: 1

First Aired: Sep 10, 1993

Stargate SG-1

as Simon Coombs

Episodes: 1

First Aired: Jul 27, 1997

Scrubs

as Alan

Episodes: 1

First Aired: Oct 02, 2001

Gilmore Girls

as Mr. Remmy

Episodes: 1

First Aired: Oct 05, 2000

Fear Itself

as Phil

Episodes: 1

First Aired: Jun 05, 2008

Family Law

as Edward Duke

Episodes: 1

First Aired: Sep 20, 1999

Diagnosis: Murder

as Eddie Dagabosian

Episodes: 1

First Aired: Oct 29, 1993

The Good Doctor

as Kurt

Episodes: 1

First Aired: Sep 25, 2017

Bones

as Dr. Edward Harkness

Episodes: 1

First Aired: Sep 13, 2005

Hawaii Five-0

as Eugene Goodman

Episodes: 1

First Aired: Sep 20, 2010

The West Wing

as Dr. John Fallow

Episodes: 1

First Aired: Sep 22, 1999

The Rookie

as Kevin Scott

Episodes: 1

First Aired: Oct 16, 2018

Chasing Life

as Edwin Shaw

Episodes: 1

First Aired: Jun 10, 2014

The Pretender

as Kenny (archive footage)

Episodes: 1

First Aired: Sep 19, 1996

Castle

as Harvey Larson

Episodes: 1

First Aired: Mar 09, 2009

The Mentalist

as Ellis Mars

Episodes: 1

First Aired: Sep 23, 2008

Stitchers

as Mitchell Blair

Episodes: 1

First Aired: Jun 02, 2015

Rosewood

as West Waters

Episodes: 1

First Aired: Sep 23, 2015

This Is Us

as Bill Weston

Episodes: 1

First Aired: Sep 20, 2016

Lucifer

as Alvin Kapitski

Episodes: 1

First Aired: Jan 25, 2016

Extant

as Dr.Mize

Episodes: 1

First Aired: Jul 09, 2014

Revenge

as Roger Halsted

Episodes: 1

First Aired: Sep 21, 2011

Harry's Law

as Norman Miller

Episodes: 1

First Aired: Jan 17, 2011

The Orville

as Cambis Borrin

Episodes: 1

First Aired: Sep 10, 2017

Man Seeking Woman

as Watson

Episodes: 1

First Aired: Jan 14, 2015

NCIS: Hawai'i

as Professor Staggs

Episodes: 1

First Aired: Sep 20, 2021

Twin Peaks

as Doctor Ben

Episodes: 1

First Aired: Apr 08, 1990

The Conners

as Mr. Swindell

Episodes: 1

First Aired: Oct 16, 2018

Station 19

as Lloyd

Episodes: 1

First Aired: Mar 22, 2018

All Rise

as Timothy Gipson

Episodes: 1

First Aired: Sep 23, 2019

The Resident

as Dr. Stewart

Episodes: 1

First Aired: Jan 21, 2018

Unbelievable

as Judge Brent Gordon

Episodes: 1

First Aired: Sep 13, 2019

Felicity

as Delivery Guy

Episodes: 1

First Aired: Sep 29, 1998

Pam & Tommy

as Bruce Hendricks

Episodes: 1

First Aired: Feb 02, 2022

Leverage

as Coswell

Episodes: 1

First Aired: Dec 07, 2008

Beyond Belief: Fact or Fiction

as Simms (segment "The Wall")

Episodes: 1

First Aired: May 25, 1997

Touched by an Angel

as Peter Garfield

Episodes: 1

First Aired: Sep 21, 1994

Con Man

as Gordon

Episodes: 1

First Aired: Sep 30, 2015

The Closer

as Tom Newman

Episodes: 1

First Aired: Jun 13, 2005

NEXT

as Dr. Bernard Weiss

Episodes: 1

First Aired: Oct 06, 2020

Homecoming

as Buddy

Episodes: 1

First Aired: Nov 01, 2018

The Good Wife

as Dean Randolph

Episodes: 1

First Aired: Sep 22, 2009

Matlock

as Robert Walton

Episodes: 1

First Aired: Sep 22, 2024

Shameless

as Dr. Drew

Episodes: 1

First Aired: Jan 09, 2011

Based on a True Story

as Wendy Jenkins' Boss

Episodes: 1

First Aired: Jun 08, 2023

NCIS: Los Angeles

as Doug Ouellet

Episodes: 1

First Aired: Sep 22, 2009