Trivia

Richard Haydn replaced Tony Hancock due to Hancock's erratic on-set behavior. Hancock reportedly also had trouble with the mock-Shakespearean dialog.

Though based on the book "By the Great Horn Spoon!" by Albert Sidney Fleischman, the plot deviates from the book in many ways.

The final film of Bryan Russell.

Bryan Russell played Karl Malden's son in La conquista del oeste (1962).

Racial slurs were removed from this film when released on Disney+.