This page provides all possible meanings and translations of the word walk-on
plays a small part in a dramatic production
not capable of or especially not involving speech or spoken lines
"had a nonspeaking role in the play"
A student athlete that wants to try out for a college sports/athletic team without the benefit of a scholarship or having been recruited.
An actor of a small (or "bit") part in a theatrical production or film, often without speaking lines.
The term walk-on is used in sports, particularly American college athletics, to describe an athlete who becomes part of a team without being actively recruited beforehand or awarded an athletic scholarship. This results in the differentiation between "walk-on" players and "scholarship" players.