It happened January 31 at the Yummy Diner located at 34 North 52nd Street.
The video shows the two suspects walking into the diner at 7:30 a.m.
One suspect immediately jumps behind the counter while the second suspect can be seen pointing a handgun at the employees and a patron at the counter.
The pair stole $110 from the cash register before fleeing north on 52nd Street.
No injuries were reported during the robbery.
Police describe the first suspect as black male, 5'8" tall with a thin build. He was wearing gray wool jacket, jeans, black & white sneakers, and a black ski mask.
The second suspect is described as black male, 5'7" tall with a thin build. He was wearing black pants, a green coat with a hooded sweatshirt underneath, and a black ski mask.
If you recognize these suspects do not approach them, call 911 immediately.
Anyone with information is asked to call police at 215.686.TIPS (8477) or text a tip to PPD TIP (773847).
You can also submit an anonymous tip online at PhillyPolice.com.