Currently available on 6 streaming services.

Castle - watch online: streaming, buy or rent

Currently you are able to watch "Castle" streaming on Amazon Prime Video, Hulu, Amazon Prime Video with Ads or for free with ads on The Roku Channel. It is also possible to buy "Castle" as download on Apple TV, Amazon Video, Microsoft Store.

Cast

Nathan Fillion
Richard Castle
Stana Katic
Kate Beckett
Molly C. Quinn
Alexis Castle
Jon Huertas
Javier Esposito
Seamus Dever
Kevin Ryan
Susan Sullivan
Martha Rodgers
Tamala Jones
Lanie Parish
Toks Olagundoye
Hayley Shipton