Synonyms: double, stunt man, stunt woman
Definition: a stand-in for movie stars to perform dangerous stunts
Usage: his first job in Hollywood was as a double for Clark Gable
Similar words: stand-in, substitute, relief, reliever, backup, backup man, fill-in
Definition: someone who takes the place of another (as when things get dangerous or difficult)
Usage: the star had a stand-in for dangerous scenes; we need extra employees for summer fill-ins