Walker is a formally trained voice actor with a rich and resonant voice that delivers a distinctive mixture of refined Scottish and American West Coast charm.
Walker's clear and engaging tone gives all of his projects a re-assuring sincerity that is both knowledgeable and authoritative.
His voice has been variously described as;
“A clear, articulate and soft Scottish accent tinged with a little American”
“Sophisticated, sincere and confident”
“A natural storyteller with a warm, engaging and distinctive vocal style”