He also played con-man 1st Lt. Templeton "The Face-Man" Peck in the pilot for the 1980s hit The A-Team but was replaced by Dirk Benedict for the series.
The reason given was that Dunigan was too young for the role, although series creators Frank Lupo and Stephen J. Cannell had wanted Benedict from the start but were overruled by the network executives.
[2] As to why Dunigan wasn't chosen to participate in The A-Team beyond the pilot, according to the actor himself, "I look[ed] even younger on camera than I am.
He had guest-starring television roles on several hit series: Cheers, Murder, She Wrote, Empty Nest, Beverly Hills, 90210, and JAG.
His uncle on his mother's side, Nicholas Argint, was a veteran of World War II, member of American Legion Post 111 in Missouri.