The Colbert Report

Rick Springfield appeared as himself on The Colbert Report. He is an accomplished musician, singer, and actor. Springfield gained fame in the 1980s with his hit songs 'Jessie's Girl' and 'Love Somebody'. Besides his music career, he has also starred in movies and television shows.

Peggy Noonan made several appearances on The Colbert Report, portraying herself. She is a well-known conservative political commentator and author. Noonan has worked as a speechwriter for President Ronald Reagan and has written numerous books on politics and American culture.

George Wendt played the role of Santa Claus on The Colbert Report. He is a seasoned actor best known for his portrayal of Norm Peterson on the hit television sitcom Cheers. Wendt has appeared in numerous movies, TV shows, and stage productions throughout his career.

Catherine Crier appeared as herself on The Colbert Report. She is a journalist, author, and television personality. Crier has worked as a news anchor and legal analyst for various television networks. She has also written books on legal and political topics.

Maureen Dowd made several appearances on The Colbert Report, playing herself. She is a Pulitzer Prize-winning journalist and columnist for The New York Times. Dowd is known for her sharp wit and incisive commentary on political and social issues.

Barry Manilow appeared on The Colbert Report as himself. He is a renowned singer, songwriter, and producer. Manilow has released numerous hit songs throughout his career, including 'Mandy', 'Copacabana', and 'Can't Smile Without You'. He is considered one of the best-selling artists of all time.

Douglas Brinkley made appearances on The Colbert Report as an expert and author. He is a well-respected historian and writer, known for his extensive works on American history and politics. Brinkley has authored several best-selling books and serves as a professor at Rice University.