Conversation so far:
What was Harrison Ford's first career move?
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.
What was Harrison Ford's first film?
Harrison Ford's first known role was an uncredited one as a bellhop in Dead Heat on a Merry-Go-Round.
Did Harrison Ford appear in Dead Heat on a Merry-Go-Round with anyone notable?
Dead Heat on a Merry-Go-Round is a 1966 crime film starring James Coburn, Camilla Sparv, Aldo Ray, Nina Wayne, Todd Armstrong, Robert Webber, and Rose Marie.
What was Harrison Ford's most successful film?
Star Wars became one of the most successful movies of all time and established Harrison Ford as an international superstar.
Is there anything interesting I should know about Harrison Ford's early career?
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.
Did Harrison Ford get hired at the job he applied at for radio voice-overs in 1964?
Harrison Ford did not get it, but stayed in California and eventually signed a $150-per-week contract with Columbia Pictures' new talent program, playing bit roles in films.

Question: Is there a specific film that got his career to take a turn for success?
Self-contained rewrite: Is there a specific film that got Harrison Ford's career to take a turn for success?