Main Characters Det. Sgt. Russell 81 main appearances Chief Det. Supt. Tom Lockhart 4 main appearances Insp. Harry Baxter 3 main appearances Det. Sgt. Gregg 1 main appearances Det. Sgt. Det. Sgt. Perryman
Recurring Guest Characters Sybil Miles 1 guest appearances Barbara Green 1 guest appearances Vince 1 guest appearances Philip Grenfield 1 guest appearances Teddy Saintjohn 1 guest appearances Harry Logan 1 guest appearances Brad Johnson 1 guest appearances Det-Con. Stanley 1 guest appearances George Mitchell 1 guest appearances Ben Jordan 1 guest appearances Vivienne Dunn 1 guest appearances Yargo Simms 1 guest appearances Sammy Taylor 1 guest appearances Mrs. Haven 1 guest appearances Jimmy Corbett 1 guest appearances Joe Bask 1 guest appearances Machin 1 guest appearances