John Callahan is an American actor, best known for his work as Edmund Grey on the soap opera All My Children. He was born in Brooklyn, New York.
While his work on soaps stretches back over twenty years, it is the role of Edmund that has brought him the most fame and acclaim. He played on All My Children from 1992 to 2005, when the character of Edmund was controversially killed off. His death caused an uproar, mainly because another tie to All My Children's history was cut.
Since 2008, he has been playing Dr. Baker, an OB, on Days of Our Lives.
Along with former co-star Esta TerBlanche, he played his All My Children role in an episode of the sitcom Spin City in 1997 called My Life is a Soap Opera.
Callahan experienced an on-set romance with AMC co-star Eva LaRue, who also played Edmund's wife on the show, Dr. Maria Santos Grey for seven years. The popularity of the super couple, Edmund and Maria led to the two co-hosting both the Miss America pageant and Lifetime's Weddings of a Lifetime. They had three wedding ceremonies on the soap opera as well as and marrying in real life on November 30, 1996 on the island of Lanai in Hawaii. They have a daughter, Kaya McKenna born in 2001. It was the second marriage for both, and they have since divorced. Callahan had previously been married to Linda Freeman from 1982–1994, and has two step sons from the union.