Ron Underwood

Director

Dictionary: The Adventure of Words poster

Dictionary: The Adventure of Words(1968)

Producer

Capricorn One(1977)

5.5

Location Manager

Library World(1977)

Director

Library Report(1983)

Director

Too Smart for Strangers(1985)

Director

The Mouse and the Motorcycle(1986)

Director

Hi Cat!(1989)

Director

Tremors(1990)

6.1

Director, Story

City Slickers(1991)

5.1

Director

Runaway Ralph(1991)

Director

Heart and Souls(1993)

Director

Speechless(1994)

4.5

Director

Tremors II: Aftershocks(1996)

5.2

Executive Producer, Characters

Mighty Joe Young(1998)

Director

Monk(2002)

6.9

Director

The Adventures of Pluto Nash(2002)

2.8

Director

Tremors(2003)

4.6

Characters

Stealing Sinatra(2003)

Director

Desperate Housewives(2004)

6.9

Director

Boston Legal(2004)

Director

Tremors 4: The Legend Begins(2004)

4.3

Characters

Back When We Were Grownups(2004)

Director

Grey's Anatomy(2005)

Director

In The Mix(2005)

4.7

Director

Heroes(2006)

Director

Ugly Betty(2006)

Director

Santa Baby(2006)

3.4

Director

The Year Without a Santa Claus(2006)

Director

Reaper(2007)

5.7

Director

Holiday in Handcuffs(2007)

4.9

Director

Eli Stone(2008)

5.4

Director

The Secret Life of the American Teenager poster

The Secret Life of the American Teenager(2008)

Director

Castle(2009)

Director

Make It or Break It(2009)

6.5

Director

Drop Dead Diva(2009)

6.5

Director

Santa Baby 2(2009)

Director

Hellcats(2010)

6.3

Director

No Ordinary Family(2010)

5.8

Director

Hawaii Five-0(2010)

Director

The Glades(2010)

Director

CHAOS(2011)

Director

Necessary Roughness(2011)

Director

Once Upon a Time(2011)

6.3

Director

Deck the Halls(2011)

Director

Nashville(2012)

5.3

Director

Marvel's Agents of S.H.I.E.L.D.(2013)

Director

Once Upon a Time in Wonderland(2013)

5.5

Director

Witches of East End(2013)

Director

Resurrection(2014)

Director

Fear the Walking Dead(2015)

7.4

Director

Quantico(2015)

5.2

Director

BrainDead(2016)

5.9

Director

Dead of Summer(2016)

4.4

Director

MacGyver(2016)

Director

No Tomorrow(2016)

4.9

Director

The Good Fight(2017)

6.3

Director

Kevin (Probably) Saves the World(2017)

Director

Tremors(2018)

Characters

Magnum P.I.(2018)

6.4

Director

Tremors: A Cold Day in Hell(2018)

4.4

Characters

Grand Hotel(2019)

5.8

Director

Evil(2019)

6.8

Director

Tremors: Shrieker Island(2020)

4.7

Characters

Big Shot(2021)

Director

La Brea(2021)

6.4

Director

Tales of the Walking Dead(2022)

5.7

Director

Elsbeth(2024)

Director

Watson(2025)

3.3