Born in Broomall, Pennsylvania, Bonaduce is the son of veteran TV writer/producer Joseph Bonaduce (The Dick Van Dyke Show, One Day at a Time, etc.).
Starting out as brothers on the classic program, the pair became close in real life as they both moved away from the show and joined forces for a successful tour.
In the television series The Partridge Family, Bonaduce played the role of Danny Partridge, a member of the musical Partridge family.
In the show, the Partridges were a family band that toured the country in their hip, Mondrian-inspired, painted school bus.
During the 1995-96 TV season, Bonaduce was the host of Danny!
, a syndicated talk show featuring the house band The Critics.