He is best known as Larry Hagman's younger TV brother, Bobby Ewing, on the CBS series Dallas, and as Suzanne Somers's husband, Frank Lambert, on the ABC television sitcom Step by Step.


American television actor, who appeared primarily in soap operas and television. He is best known as Larry Hagman's younger TV brother, Bobby Ewing, on the CBS series Dallas, and as Suzanne Somers's husband, Frank Lambert, on the ABC television sitcom Step by Step.