Billy Mumy Net Worth 2026#2065 ACTORS

Actor, Musician, Songwriter, Voice Actor, Author

$0M
Likely $10M – $14M
Age72b. February 1, 1954
Active1960–present
Main sourceActingfirst listed
Rank in field#2065of 5,712 actors
FromAmerican
Estimate, not a disclosed figureConfidence High(9/9 fields known)Band ±10%Last reviewed 30 July 2026How we estimate →

Where the money comes from

Acting · primaryMusicVoice Acting

Listed in the order our sources give them; the first is treated as primary. We do not publish a percentage split — no public breakdown of this person’s income exists, and inventing one would be a guess.

Is $12M a lot? — against actors

Ranked #2065 of 5,712 actors we hold an estimate for.

Billy Mumy is a name that resonates with many, especially those who are fans of classic television shows and music. He is a multi-talented individual who has made significant contributions to the entertainment industry as an actor, musician, and songwriter. This article will delve into the projected net worth of Billy Mumy in 2024, his career, and the various factors that have contributed to his wealth.

Born on February 1, 1954, in San Gabriel, California, Billy Mumy began his acting career as a child. He quickly became a household name, garnering acclaim for his versatility in acting, music, and voice roles. His journey in the entertainment industry spans over six decades, with numerous accolades and financial successes.

Billy Mumy's estimated net worth in 2024 is approximately $12 million, adjusted for inflation. This net worth includes his earnings from acting, music, and other ventures. Over the years, Mumy has diversified his portfolio, making intelligent financial decisions that have ensured his wealth remains substantial.

A considerable part of Billy Mumy's wealth comes from his prolific acting career. He has starred in several iconic television shows, including "Lost in Space" and "Babylon 5," which have brought him consistent income.

Mumy's contributions to music are equally notable. He has released numerous solo albums and collaborated with various artists, including his partnership in the musical duo "Barnes & Barnes," famous for their hit song "Fish Heads."

In addition to live-action roles, Mumy has lent his voice to several animated projects, further diversifying his income sources and increasing his financial stability.

Historically, the entertainment industry in which Billy Mumy thrived has seen significant financial growth. His initial fame from "Lost in Space" provided a strong financial foundation, which he built upon with wise investments and diversified professional endeavors.

Though not widely publicized, Mumy's financial success can be attributed to a philosophy of diversification—balancing acting, music, and other income streams effectively. He has continued to engage in creative projects that not only fulfill his artistic ambitions but also provide financial returns.

When comparing Billy Mumy's $12 million net worth to modern actors and musicians, it becomes evident how substantial his financial success is. For example, contemporary actors in similar career stages might not have the same level of diversified income, showcasing Mumy's strategic financial planning.

Billy Mumy accumulated his wealth through a successful acting career, music ventures, and voice acting roles. His investments and diversified income streams have also played a significant role.

His most financially successful projects include "Lost in Space," "Babylon 5," and his music duo "Barnes & Barnes."

Mumy's net worth has steadily increased over the years, especially with the longevity of his acting career and continued success in music.

Yes, Billy Mumy continues to earn royalties from his past television shows, films, and music.

While specific investments outside of entertainment aren't well-documented, Mumy's diverse income sources suggest prudent financial management and likely investments in various ventures.

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Questions readers ask

How did Billy Mumy accumulate his wealth?

Billy Mumy accumulated his wealth through a successful acting career, music ventures, and voice acting roles. His investments and diversified income streams have also played a significant role.

What are Billy Mumy's most financially successful projects?

His most financially successful projects include "Lost in Space," "Babylon 5," and his music duo "Barnes & Barnes."

How has Billy Mumy's net worth changed over the years?

Mumy's net worth has steadily increased over the years, especially with the longevity of his acting career and continued success in music.

Does Billy Mumy still earn royalties from his past works?

Yes, Billy Mumy continues to earn royalties from his past television shows, films, and music.

What investments has Billy Mumy made outside of entertainment?

While specific investments outside of entertainment aren't well-documented, Mumy's diverse income sources suggest prudent financial management and likely investments in various ventures.

About this figureNet worth estimates on this site are compiled from public sources and comparable transactions. They are not audited, not confirmed by the subject, and will change. This page was last reviewed on 30 July 2026. Tell us if something is wrong.