Jamie Kaler (born September 14, 1964) is an American stand-up comedian and actor who has gained fame by portraying the character Mike Callahan on the TBS comedy My Boys.

[1] Kaler hosted America: Facts vs. Fiction on American Heroes Channel.

He has appeared on such talk shows as the Late Late Show as well as having a role on the sitcom How I Met Your Mother, and had a recurring role on Will and Grace.

He is a member of the ACME Company, ACME Comedy Theatre's top-level sketch company and has also made guest appearances on Friends, The King of Queens, Shake It Up and Monk.

Kaler graduated from Boston University, and was afterwards commissioned as a lieutenant in the United States Navy and stationed in San Diego.