Conversation so far:
How did Harrison Ford get his career started?
In 1964, after a season of summer stock with the Belfry Players in Wisconsin, Harrison Ford traveled to Los Angeles to apply for a job in radio voice-overs.
When was Harrison Ford signed in his early career?
In 1964, Harrison Ford stayed in California and eventually signed a $150-per-week contract with Columbia Pictures' new talent program, playing bit roles in films.
Did Harrison Ford's career take off right away?
Harrison Ford was at the bottom of the hiring list, having offended producer Jerry Tokovsky after he played a bellboy in the feature, Dead Heat on a Merry-Go-Round.
How long did it take Harrison Ford to rise to fame?
What was Harrison Ford's first part in his early career?
Harrison Ford's first known role was an uncredited one as a bellhop in Dead Heat on a Merry-Go-Round.
How was Harrison Ford's performance with the Belfry Players in Wisconsin?
What happened after Harrison Ford traveled to Los Angeles?
Ford traveled to Los Angeles to apply for a job in radio voice-overs. He did not get it.

Question: what was his first bit role?
Self-contained rewrite: What was Harrison Ford's first bit role?