Over a career spanning several decades, his film roles included ''
All the President's Men (1976), Trading Places (1983), Don't Tell Mom the Babysitter's Dead (1991), Without Warning: The James Brady Story'' (1991). On TV, his guest and recurring appearances in many television shows include
Cheers, where he played the bartender Earl in Season 9, ''
Wings,
Becker,
Suddenly Susan,
St. Elsewhere,
Who's the Boss?,
The Nanny,
Murphy Brown'' (playing Corky's dad), and
Chicago Hope. Known for his "striking" resemblance to
Ronald Reagan, he was often cast as him in various productions, including
Guts and Glory: The Rise and Fall of Oliver North (1989),
Without Warning: The James Brady Story (1991),
Pizza Man (1991), and an episode of
Dark Skies ("Bloodlines"). Clark was also known for being a spokesman for
Folgers coffee in the 1980s and other friendly personalities in various commercials, including one for
Tavern on the Green, and various stage roles. == Personal life ==