David Hartman worked on a variety of projects during his entertainment career. Hartman's early acting career mostly consisted of roles in various films, such as "The Island at the Top of the World" (1974), "Nobody's Perfect" (1968) with Doug McClure and the Phyllis Diller comedy "Did You Hear the One About the Traveling Saleslady?" (1968). He also appeared in the TV movie "San Francisco International" (NBC, 1970-71). He was nominated for a Golden Globe Award for "The Doctors" in 1972. This recognition propelled him to pursue a role in "The Island at the Top of the World" (1974). In the seventies and the eighties, Hartman devoted his time to various credits, such as "My Mom's Having a Baby" (ABC, 1976-77), "David Hartman... There's Gotta Be a Better Way" (ABC, 1985-86) and "The Constitution: We Live it Everyday... With David Hartman" (ABC, 1987-88). He also worked on "Early Warning" (Fox, 1988-89). Hartman continued to exercise his talent in the nineties, taking on a mix of projects like "The Alaska Highway" "The Real Ben Franklin" and "From the Moon to Mars" (Family Channel Studios, 1996-97). His credits also expanded to "A Walk Down 42nd Street With David Hartman" (PBS, 1997-98) and "Roughnecks: Starship Troopers Chronicles" (1999-2000). Hartman most recently acted in the comedic adaptation "John Dies at the End" (2013) with Rob Mayes.