Ruth Underwood
Known for Acting · 19 credits
- Born
- 1946-05-23 (age 80)
- Place of birth
- Ithaca, New York, United States
Biography
Ruth Underwood (born Ruth Komanoff; May 23, 1946) is an American musician best known for playing xylophone, marimba, vibraphone, and other percussion instruments for Frank Zappa and his band The Mothers of Invention. She played for Zappa from 1968 until his death. She married fellow Zappa musician Ian Underwood.
Known For

Classic Albums
1997
as Self

Zappa
2020
as Self - Played with Zappa 1967-1976

200 Motels
1971
as Fake Drummer

Eat That Question: Frank Zappa in His Own Words
2016
as Self (archive footage)

Frank Zappa: Cheaper Than Cheep
2025
as Self (percussion)

Classic Albums: Frank Zappa - Apostrophe (') Over-Nite Sensation
2007
as Self
TV Shows (1)
Movies (18)

Zappa
2020
as Self - Played with Zappa 1967-1976

200 Motels
1971
as Fake Drummer

Eat That Question: Frank Zappa in His Own Words
2016
as Self (archive footage)

Frank Zappa: Cheaper Than Cheep
2025
as Self (percussion)

Classic Albums: Frank Zappa - Apostrophe (') Over-Nite Sensation
2007
as Self

Frank Zappa & The Mothers: Roxy: The Movie
2015
as Herself

Classic Albums: Frank Zappa & The Mothers Of Invention - Freak Out!
2021
as Self
An American Dissident: un tributo a Frank Zappa
1994
as Self (archive footage)

Video from Hell
1987
as Self

Frank Zappa: The Dub Room Special!
1982
as Self

Frank Zappa: A Token Of His Extreme
2013
as Herself

The True Story of Frank Zappa's 200 Motels
1988
as Self (archive footage)

Frank Zappa: Roxy, 1973
2007

Frank Zappa: A Token of His Extreme
2005
as Herself

Frank Zappa: The Broadcast Archives
2008
as Self

Cheepnis
2014
as Herself

Frank Zappa: Opopoppa Stockholm, Sweden
1973
The Drummers of Frank Zappa Roundtable Discussion and Performance
2010
as Self
About Ruth Underwood
Ruth Underwood (born Ruth Komanoff; May 23, 1946) is an American musician best known for playing xylophone, marimba, vibraphone, and other percussion instruments for Frank Zappa and his band The Mothers of Invention. She played for Zappa from 1968 until his death. She married fellow Zappa musician Ian Underwood. With 19 credits spanning from 1971 to 2025, Ruth Underwood has appeared in 18 films and 1 TV show.
Fans searching for Ruth Underwood movies, Ruth Underwood filmography, or the latest projects starring Ruth Underwood can stream many of these titles on CineFlixo, free and in HD, with no subscription required.
Most Popular Ruth Underwood Movies
- Zappa (2020) — as Self - Played with Zappa 1967-1976
- 200 Motels (1971) — as Fake Drummer
- Eat That Question: Frank Zappa in His Own Words (2016) — as Self (archive footage)
- Frank Zappa: Cheaper Than Cheep (2025) — as Self (percussion)
- Classic Albums: Frank Zappa - Apostrophe (') Over-Nite Sensation (2007) — as Self
Where to Watch Ruth Underwood Films
Most Ruth Underwood movies and series are available to stream on CineFlixo in full HD, completely free and without signup. Browse the complete filmography above to jump directly to any title. For more films and the latest web series featuring Ruth Underwood, check our movies catalogue and browse page.