Katharine Hepburn's opinion of Humphrey Bogart was generally positive, especially given the hardships both actors faced while filming The African Queen in Africa. Despite their very different personalities, Hepburn and Bogart developed a strong camaraderie during their time together on set.
Hepburn, known for her independent spirit, admired Bogart’s rugged, no-nonsense approach to acting and life. He, in turn, respected her dedication to the film, especially considering the grueling conditions they endured during filming
Hepburn had a reputation for being somewhat challenging on set due to her no-compromise attitude, but she found a kindred spirit in Bogart's authenticity and work ethic.
This partnership was one of the defining elements of The African Queen's success, both critically and commercially. The two actors formed a close working relationship that extended beyond mere professional respect, with Hepburn even noting in interviews that they had a deep understanding of one another, despite their different approaches to life and acting