Bruce Willis' directors were concerned with his memory and safety on set prior to retirement

One incident on the January 2020 set of the movie 'Hard Kill' left the crew especially shaken after Bruce Willis reportedly fired a gun loaded with a blank on the wrong cue. Photo: Handout

Several of Bruce Willis' recent directors spoke to the Los Angeles Times about the concerns they felt while working with the actor in the years leading up to Wednesday's announcement that Willis has aphasia and is stepping away from his acting career.

Aphasia is a language disorder caused by brain damage that affects a person's ability to communicate.