Whittle first came to prominence as a model for Reebok in the early 2000s. He is known in the United Kingdom for his role as Calvin Valentine in the British soap opera Hollyoaks. In 2009, he finished second in the BBC reality competition Strictly Come Dancing. In 2012, Whittle crossed over to American television when he booked a recurring role on VH-1's Single Ladies, followed by a recurring role on ABC's Mistresses in 2014. From 2014 to 2016, Whittle appeared in The CW's post-apocalyptic drama
