Bill Mumy is one of the rare Hollywood figures who successfully transitioned from child stardom into a long, respected, and financially stable career. Best known as Will Robinson in Lost in Space, Mumy has spent more than six decades working as an actor, musician, writer, and voice artist.
As interest in classic sci-fi continues to grow, many fans are asking: What is Bill Mumy’s net worth in 2025, and what does he do now?
Bill Mumy Net Worth in 2025
As of 2025, Bill Mumy’s estimated net worth is around $10 million.
His wealth comes from a diverse career, including:
- Television and film acting
- Voice acting and narration
- Music albums and live performances
- Writing for comics and television
- Royalties from classic shows like Lost in Space and Babylon 5
Unlike many former child actors, Mumy built long-term financial stability by constantly reinventing himself.
Who Is Bill Mumy?
- Full Name: Charles William Mumy Jr.
- Date of Birth: February 1, 1954
- Age (2025): 71 years old
- Birthplace: San Gabriel, California
- Nationality: American
Bill Mumy began acting professionally at just six years old and has appeared in over 400 television episodes throughout his career.
Bill Mumy and Lost in Space
Bill Mumy became a household name in the 1960s playing Will Robinson on CBS’s sci-fi series Lost in Space (1965–1968).
The role made him one of the most recognizable child actors of his era, forever associated with the iconic phrase:
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The show’s enduring popularity continues to generate royalties and convention appearances, contributing to Mumy’s long-term income.
Has Bill Mumy Been in Movies and TV Shows?
Yes—Bill Mumy has an extensive film and television résumé.
Notable Movies
- Dear Brigitte (1965)
- Rascal (1969)
- Bless the Beasts and Children (1971)
- Papillon (1973)
Popular TV Shows
- The Twilight Zone
- Bewitched
- I Dream of Jeannie
- The Rockford Files
- Matlock
- Star Trek: Deep Space Nine
Bill Mumy on Babylon 5
In the 1990s, Bill Mumy found renewed fame as Lennier on Babylon 5.
The role introduced him to a new generation of sci-fi fans and became one of the most important chapters of his adult career.
He appeared in all five seasons, making Lennier one of the show’s most memorable characters.
What Does Bill Mumy Do Now?
As of 2025, Bill Mumy remains active and creative.
He currently:
- Appears at sci-fi conventions worldwide
- Records music and performs live
- Does voice acting for animation and documentaries
- Writes books, comics, and essays
- Hosts a music radio program
- Participates in Lost in Space and Babylon 5 reunions
Rather than retiring, Mumy has chosen to stay artistically engaged.
Has Bill Mumy Won Any Awards?
Yes. Bill Mumy is an Emmy Award winner.
Awards & Honors
- Emmy Award for narration on Biography (A&E)
- Emmy nomination for original music (Adventures in Wonderland)
- Industry recognition for voice acting and sci-fi contributions
His awards reflect his versatility beyond acting alone.
Bill Mumy as a Musician
Many fans are surprised to learn that Bill Mumy is also a successful musician.
Music Highlights
- Member of cult band Barnes & Barnes (famous for “Fish Heads”)
- Released six solo albums
- Plays guitar, bass, keyboards, harmonica, banjo, and mandolin
- Performs regularly in California
Music royalties and live shows continue to supplement his net worth.
Bill Mumy Voice Acting Career
Voice acting has been one of Mumy’s most profitable and consistent income streams.
He has worked on:
- Batman: The Animated Series
- Scooby-Doo
- Animaniacs
- Buzz Lightyear of Star Command
- The Loud House
He has also narrated dozens of documentaries for A&E, Animal Planet, and The History Channel.
Is Bill Mumy Still Alive?
Yes. Bill Mumy is alive and well in 2025.
He remains active professionally and frequently interacts with fans through conventions, interviews, and public appearances.
Bill Mumy Wife and Family
Bill Mumy married Eileen Joy Davis in 1986.
Family Details
- Wife: Eileen Joy Davis
- Children: Two (including daughter Liliana Mumy, also an actress)
- Residence: Laurel Canyon, Los Angeles
His daughter Liliana is known for roles in Psych, Hannah Montana, and The Loud House.
Bill Mumy House and Lifestyle
Bill Mumy lives in Laurel Canyon, Los Angeles, an area popular with musicians and artists.
His lifestyle is known to be:
- Comfortable but not flashy
- Focused on creativity and family
- Free from major Hollywood scandals
This steady lifestyle has helped preserve his wealth over decades.
Bill Mumy Net Worth Breakdown
Estimated Net Worth (2025): $10 million
Income Sources
- TV & film acting
- Voice acting & narration
- Music albums & performances
- Writing & comic projects
- Convention appearances
- Royalties from classic shows
Final Thoughts
Bill Mumy’s story is one of rare Hollywood longevity.
From Lost in Space child star to Emmy-winning narrator and respected musician, his career proves that talent, adaptability, and discipline can lead to long-term success.
In 2025, Bill Mumy stands not just as a nostalgic figure but as a working artist with a lasting legacy and solid net worth.