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Alex Greenwald

Alexander Greenwald (born October 9, 1979) is an American musician and actor. Prior to his music career, he began his professional career as a teen actor with both live-action and animated roles in films like The Halloween Tree (1993) and No Dessert, Dad, till You Mow the Lawn (1994), before primarily transitioning to a music career shortly after, and has been the frontman and rhythm guitarist of the California rock band Phantom Planet since their inception in 1994. Greenwald has also been a member of Blackblack (under the moniker Clark Schädelkopf) and the indie pop supergroup Phases and is a frequent collaborator of the British musician, DJ and producer Mark Ronson.

Also recorded as Clark Schädelkopf · Alexander Greenwald

Alex Greenwald

Alex Greenwald - Phantom Planet (2917847150)

Amanda Munoz - Cut End Scene from United States · Alex Greenwald - Phantom Planet · CC BY 2.0

Name
Alex Greenwald
Birth Name
Alexander Greenwald
Born
9 October 1979
Birthplace
Los Angeles, California, U.S.
Occupation
Singer, musician, songwriter, producer, actor
Nationality
United States
Fields
alternative rock
Education
UCLA Lab School · Palisades Charter High School
Languages
English

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Alexander Greenwald (born October 9, 1979) is an American musician and actor. Prior to his music career, he began his professional career as a teen actor with both live-action and animated roles in films like The Halloween Tree (1993) and No Dessert, Dad, till You Mow the Lawn (1994), before primarily transitioning to a music career shortly after, and has been the frontman and rhythm guitarist of the California rock band Phantom Planet since their inception in 1994. Greenwald has also been a member of Blackblack (under the moniker Clark Schädelkopf) and the indie pop supergroup Phases and is a frequent collaborator of the British musician, DJ and producer Mark Ronson.

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Alex Greenwald was an actor, composer and model, among other activities, of American nationality. The actor was born in Los Angeles. Alex Greenwald was also known as Clark Schädelkopf. Alex Greenwald was educated at Palisades Charter High School and UCLA Lab School.

The work spans alternative rock. Languages used include English.

Composed from admitted, traceable facts · 26 September 2026

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wikidata · Q4717099 · wikipedia · Alex Greenwald

In this article

  1. 01Biography
  2. 02Recordings and discography
  3. 03Archives and collections
  4. 04Notes, references and evidence

The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 16 August 2026.

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