Dennis was born in Ireland - arriving in Australia (with his parents) in 1964.
At age 35 he threw away a perfectly good career in Outback Telecommunications to attend and graduate from the Victorian College of the Arts with a Diploma in Dramatic Art.
Since then he has enjoyed a rich and varied career in Australia and overseas performing in everything from Soapies to Shakespeare.
On television he has appeared in most TV dramas including Blue Heelers, Monash, The Forgotten Anzac, Home and Away and Five Bedrooms.
On film he has appeared in a dozen feature films including San Andreas, Ride Like a Girl, Noise and Return Home (leading role).
On stage - productions in every state including four for the State Theatre Company of SA (including Marat Sade and Comedy of Errors)and a dozen for Melbourne Theatre Company (including Macbeth and The Cherry Orchard).
He regularly tours his self-devised solo show The Fall of the Roman Umpire.
Dennis is delighted to be working with the MSO for the first time.