In a career that has spanned four decades, Wiggin has acted professionally on stage, TV and in films. He has also written for two soap operas (Another World and As the World Turns) and had one screenplay optioned (Gift of the Robin's Nest). Wiggin is best known for creating the role of nefarious businessman Kirk Anderson on the long-running soap opera As the World Turns.
Wiggin started his career in New York after dropping out of Columbia University. He landed the role of Danny Zuko in a national tour of 'Grease' and eventually joined the Broadway cast. He left 'Grease' to star in an Off Broadway production of the British play 'Class Enemy' during which he was cast as Mike, the ex-quarterback cutter, in the TV series Breaking Away. Wiggin went on to contract roles on two soap operas, Texas (Joe Foster) and Another World (Gil Fenton), acting with such luminaries as Morgan Freeman and Joe Morton. Between these two contracts, he joined the cast of the Broadway comedy Breakfast with Les and Bess. In the mid eighties, Wiggin joined the cast of the Off Broadway smash The Foreigner (Owen) and played Agent foster in the TV movie Izzy and Moe, starring Jackie Gleason and Art Carney.
After moving to Los Angeles, Wiggin guest-starred in episodes of Hotel and St. Elsewhere, in addition to starring in the west coast premier of the Australian play 'Down an Alley Filled with Cats' at the Pasadena Playhouse. He returned to New York in 1988 when he was cast in As the World Turns. He played Kirk Anderson for 10 years. In 1994 he appeared with Sam Waterston in the Lincoln Center production of 'Abe Lincoln in Illinois'. Later he guest starred in an episode of Law & Order. He had non-contract roles on All My Children (Stan), and Guiding Light (Sam). He played Warden Whitakker in Iron Jawed Angels starring Hilary Swank, Whitey Ford in the mini series The Bronx Is Burning, starring John Turturro and he appeared again on Broadway, starring with Farrah Fawcett in Bobbi Boland. He played Lawrence Decker, a non-contract role on Guiding Light shortly before it went dark.
In 2015 he guest starred on Person of Interest. In 2016 he appeared at Arena Stage in Washington DC in "City of Conversation" and "All the Way". He will return to Arena Stage in January 2018 in "The Great Society".