Meet Mr. Callaghan is a 1952 crime thriller play by the British writer Gerald Verner.

[1] It was adapted from the novel The Urgent Hangman by Peter Cheyney featuring the private detective Slim Callaghan.

The cast included Terence De Marney as Callaghan, Larry Burns, Jack Allen, Trevor Reid, John Longden, Lisa Daniels, Harriette Johns and Simone Silva.

[2] In 1953 Verner wrote another stage play featuring Callaghan, Dangerous Curves based on Cheyney's novel of the same title.

The title role was played by Terence De Marney's brother Derrick De Marney with a cast that also featured Adrienne Corri, Delphi Lawrence, Belinda Lee as well as several actors reprising their roles from the stage version.