Mason Alan Dinehart's net worth is best estimated at about $500,000. A realistic range is $250,000 to $1 million, based on his short television acting career, later business work, and lack of public evidence for major celebrity earnings or disclosed assets.
Updated July 27, 2026.
Dinehart is not a modern streaming-era actor with large public contracts. His best-known screen work came in the 1950s, when television salaries were much smaller, and he later moved away from acting into business and consulting.
Mason Alan Dinehart Net Worth Summary
| Estimated net worth | About $500,000 |
| Likely range | $250,000 to $1 million |
| Full name | Mason Alan Dinehart III |
| Also credited as | Alan Dinehart III, Mase Dinehart |
| Born | 1936 |
| Known for | Playing young Bat Masterson on The Life and Legend of Wyatt Earp |
| Acting years | 1948 to 1960 |
| Main income sources | Television acting, business career, consulting |
Who Is Mason Alan Dinehart?
Mason Alan Dinehart III is an American retired actor and business consultant. He is best known for playing a young Bat Masterson in The Life and Legend of Wyatt Earp, the ABC Western starring Hugh O'Brian as Wyatt Earp.
The role is the reason most people still search for him. Dinehart appeared as Bat Masterson in 34 episodes between 1955 and 1959, during the period when television Westerns were one of the strongest genres on American TV.
Why His Net Worth Is Estimated Around $500,000
The $500,000 estimate reflects a modest but credible profile: a recognizable recurring role on a long-running classic Western, a short acting career, and decades outside mainstream entertainment. His exact salary, investments, real estate, and private assets are not public.
A higher celebrity-style estimate would be hard to support because Dinehart retired from acting around 1960. A lower estimate would ignore the value of steady professional work after Hollywood, including business and consulting roles.
Bat Masterson and Wyatt Earp
Dinehart's career highlight was his portrayal of Bat Masterson on The Life and Legend of Wyatt Earp. The show ran from 1955 to 1961 and was built around Hugh O'Brian's version of the frontier marshal Wyatt Earp.
Dinehart played the younger Masterson as a protege and ally of Earp. His work was memorable enough that viewers later compared him with Gene Barry, who played an older Bat Masterson in the separate NBC series Bat Masterson.
Family Background
Mason Alan Dinehart came from a Hollywood family. His father, Alan Dinehart, was a stage and film actor whose screen career ran through the 1930s and early 1940s. His mother was actress Mozelle Britton.
The family naming can be confusing. The retired actor discussed here is Mason Alan Dinehart III, also credited as Alan Dinehart III or Mase Dinehart. He should not be confused with his father, who was born Harold Alan Dinehart and later used the name Mason Alan Dinehart.
Acting Career
Dinehart's credited acting career ran from the late 1940s to about 1960. His most valuable screen association remains The Life and Legend of Wyatt Earp, but his career also included appearances in other mid-century television productions.
He did not build the kind of long film catalog that usually creates large residual, licensing, or convention income. That is why the estimate stays conservative even though his best-known role remains recognizable to classic Western fans.
Business Career After Acting
After leaving show business, Dinehart moved into business. Public biographical listings connect his post-acting career with Bank of America and later consulting work, including litigation and arbitration consulting.
That later career is important because it likely became a steadier source of income than acting. It also explains why the page should not treat him only as a child or young television actor.
Age, Children, and Current Status
Mason Alan Dinehart is generally listed as born in 1936, which would make him about 90 years old in 2026. Public biographical listings also identify him as having eight children.
Because he has lived privately for many years, current personal details are limited. The safest public summary is that he is a retired actor and business consultant best remembered for his 1950s Bat Masterson role.
Bottom Line
Mason Alan Dinehart's net worth is best estimated at around $500,000, with a likely range of $250,000 to $1 million. The estimate comes from a brief but notable acting career, especially The Life and Legend of Wyatt Earp, plus later business and consulting work.
The main point is identity. Mason Alan Dinehart III is the classic-TV actor who played young Bat Masterson, not a younger actor with modern television credits and not a public CEO with verified multimillion-dollar consulting exits.