Actor Logan Williams, known for his work on the TV shows The Flash, where he played a young Barry Allen, and When Calls the Heart, has died at age 16.

“Heartbroken to learn of the passing of Logan Williams who played Miles Montgomery in several seasons of @wcth_tv,” Krakow, who plays series lead Elizabeth Thornton, wrote on Instagram. .

“I’ll always be very proud of you.” Hundred of Hearties left comments on both posts offering their own thoughts and prayers for Williams’ family.

“My friend Logan Williams passed away yesterday.  I am beyond sad!” he wrote.

Just hearing the devastating news that Logan Williams has passed away suddenly

My thoughts and prayers will be with him and his family during what is I’m sure an unimaginably difficult time for them

Please keep Logan and his family in your thoughts and prayers during what has been a strange and trying time for us all

“Just hearing the devastating news that Logan Williams has passed away suddenly,” he wrote

My thoughts and prayers will be with him and his family during what is I’m sure an unimaginably difficult time for them.”