Actress Charlene McKenna takes a break from shooting the new season of Ripper Street to appear on Saturday Night with Miriam tonight. James Vincent McMorrow and Fair City’s Celia Murphy are also among the guests.

McKenna, who plays Rose Erskine on the Victorian drama, will talk to Miriam about the new season of Ripper Street and future projects.

Also on tonight's show, businessman Niall Harbison tells Miriam the reason he wrote his book, Get Sh*t Done, and how he managed to pull off a multi-million euro deal while battling his demons.

Inspirational couple Simon and Ruth Fitzmaurice talk about Simon’s Motor Neuron’s Disease. They discuss his new book It’s Not Yet Dark and his plans to make a movie.

Fair City’s Murphy (who plays Niamh) talks about her current toy boy story-line on the soap and how she’s achieved her new look.

Music comes from shiver-inducing Dublin singer James Vincent McMorrow,  

Saturday Night with Miriam airs tonight at 9.20pm on RTÉ One.