Currently available on 4 streaming services.

Grantchester - watch online: stream, buy or rent

Currently you are able to watch "Grantchester" streaming on STV Player for free with ads or buy it as download on Apple TV, Amazon Video.

Cast

Robson Green
Geordie Keating
Al Weaver
Leonard Finch
Tessa Peake-Jones
Mrs. Maguire / Mrs. Chapman
Kacey Ainsworth
Cathy Keating
Skye Lucia Degruttola
Esme Keating