Bill Mumy is an American actor, musician, writer, and producer, best known for his role as Will Robinson in the 1960s sci-fi series Lost in Space. His multifaceted career spans acting, music, voice-over work, and writing, making him a notable figure in the entertainment industry.
Bill Mumy Net Worth: A Snapshot
As of 2025, Bill Mumy’s net worth is estimated to be approximately $10 million, accumulated through his extensive work in television, film, music, and writing.
| Category | Details |
| Name | Bill Mumy |
| Net Worth | $10 million |
| Known For | Lost in Space, Babylon 5, The Twilight Zone |
| Nationality | American |
| Profession | Actor, Musician, Writer, Producer |
Bill Mumy Biography / Wiki

Born on February 1, 1954, in San Gabriel, California, Charles William Mumy Jr. began his professional career at the age of five. He gained prominence as a child actor in the 1960s, with notable appearances in The Twilight Zone, Bewitched, and I Dream of Jeannie. His role as Will Robinson in Lost in Space cemented his status in pop culture. Beyond acting, Mumy has pursued a successful music career, both solo and as part of the duo Barnes & Barnes. He has also contributed to various writing projects, including comic books and television scripts.
| Attribute | Details |
| Full Name | Charles William Mumy Jr. |
| Bill Mumy Birth Date | February 1, 1954 |
| Bill Mumy Birthplace | San Gabriel, California, USA |
| Bill Mumy Nationality | American |
| Bill Mumy Education | Not publicly disclosed |
| Bill Mumy Religion | Not publicly disclosed |
Bill Mumy Physical Appearances
Bill Mumy is known for his distinctive features and has maintained a consistent presence in the entertainment industry over the decades.
| Feature | Description |
| Height | 5 feet 7 inches (1.70 meters) |
| Weight | Not publicly disclosed |
| Eye Color | Blue |
| Hair Color | Blonde |
Bill Mumy Family
Bill Mumy has been married to Eileen Joy Davis since October 9, 1986. The couple has two children, Seth and Liliana. His daughter, Liliana Mumy, has followed in his footsteps and pursued a career in acting.
| Relation | Details |
| Spouse | Eileen Joy Davis |
| Children | Seth Mumy, Liliana Mumy |
| Marital Status | Married |
Bill Mumy Favorite Things
Bill Mumy has a passion for science fiction and music, often combining these interests in his professional endeavors.
| Category | Favorite Thing |
| Hobby | Playing musical instruments, Writing |
| Values | Creativity, Versatility |
Bill Mumy Social Media Accounts
Bill Mumy maintains an online presence where fans can follow his work and updates.
| Platform | Handle |
| Bill Mumy | |
| Website | billmumy.com |
Frequently Asked Question About Bill Mumy
What is Bill Mumy’s current net worth?
As of 2025, Bill Mumy’s net worth is estimated to be approximately $10 million.
What is Bill Mumy best known for?
He is best known for his role as Will Robinson in Lost in Space and as Lennier in Babylon 5.
Has Bill Mumy pursued other ventures?
Yes, he has a successful music career and has written for comic books and television.
Is Bill Mumy married?
Yes, he has been married to Eileen Joy Davis since 1986.
What are Bill Mumy’s main sources of income?
His income primarily comes from acting, music, writing, and voice-over work.
