[3] After working on the New York stage where he won a Theatre World Award for his performance in the 1951 Broadway musical Seventeen,[4] Kallman starred in the title role of the 1965–1966 television sitcom Hank.

[5] As a singer, he released several albums of pop standards, including Hits & the Misses and Speak Softly, and in conjunction with his TV series, Hank Sings and Dick Kallman Drops in as 'Hank'.

[6] Kallman played non-recurring roles in TV series such as The Jack Benny Show, Bachelor Father and Medical Center.

He also acted in episodes 110 and 111 of Batman, playing Little Louie Groovy, a takeoff on record producer Phil Spector.

[3] By the late 1970s, he had retired from show business and was a wealthy antiques and art dealer and living with Stephen Szladek, his life partner, in a Manhattan apartment.