(1984) TV commercial
for Hill Samuel & Co merchant bank
Did You Know?
Walker had been cast in 1973 for the role of Sarah Jane Smith in
, but her participation was vetoed by the incumbent Doctor at the time, Jon Pertwee
, who felt that she didn't fit the role of a companion well, and there was a distinct lack of chemistry between the two. The role was recast with Elisabeth Sladen
portraying the character.