When Keller and Joan get into the car to pursue Forrest, a campaign poster reading "Pelosi" is visible in the upper left of the screen. It is not a poster for Nancy Pelosi, but rather for her brother-in-law Ron Pelosi, a member of San Francisco's Board of Supervisors from 1968-80 who in 1972 launched a failed candidacy for California's Ninth State Senate district.
This is one of the last TV series appearances for James Stacey before his tragic motorcycle accident in 1973. The accident itself caused by a drunken driver resulted in the amputation of his left arm and leg.
Actress Nancy Wickmire who plays Martha Reardon tragically died less than 2 years after this broadcast on July 10,1974 at the age of 49.
When Keller is chasing the Vietnam Vet near the end in his car, you can see a 'Pelosi' campaign sign on a building across the street.