What is a stand in?

TO BE A STAND IN YOU SHOULD BE A CLOSE MATCH TO THE ACTOR DESCRIPTIONS BELOW AND HAVE COMPLETE AVAILABILITY ON THE DAYS NEEDED TO WORK. YOU SHOULD ALSO HAVE RELIABLE TRANSPORTATION. 

EMAIL US at EXTRASPGH@GMAIL.COM WHICH STAND IN YOU WOULD LIKE TO SUBMIT FOR IN THE SUBJECT LINE. 

PLEASE INCLUDE A CURRENT FULL BODY PHOTO 

NO SUNGLASSES, NO HATS, NO SELFIES. TAKE THIS SERIOUSLY IF YOU WOULD LIKE THE JOB. 

PLEASE ALSO INCLUDE YOUR NAME, AGE, HEIGHT, WEIGHT, AND PHONE NUMBER.  WE WILL RETRIEVE ANY ADDITIONAL INFORMATION FROM YOUR AIR TABLE APPLICATION.