Cast of The Late Show

Art Carney plays Ira Wells, a private detective who gets caught up in a murder case when a friend asks for help.

Lily Tomlin portrays Margo, a woman who seeks Ira's assistance in investigating the death of her friend.

Bill Macy takes on the role of Charlie Hatter, a shady character connected to the case Ira is working on.

Eugene Roche plays Ron Birdwell, a key figure in the mystery surrounding the murder that Ira is trying to solve.

Joanna Cassidy portrays Laura Birdwell, adding depth to the storyline as a character linked to the investigation.

John Considine appears as Lamar, a significant individual who becomes intertwined in the detective work.

Ruth Nelson takes on the role of Mrs. Schmidt, a character whose presence contributes to the unfolding of events in the film.

John Davey portrays Sergeant Dayton, a law enforcement officer involved in the investigation alongside Ira Wells.

Howard Duff plays Harry Regan, a part of the storyline that adds layers to the mysterious circumstances surrounding the case.

Ray Pourchot appears as a Theatre Patron in an uncredited role, adding to the background scenes of the movie.

Linn Zuckerman plays a Hippie Gardener in an uncredited role, contributing to the diverse characters encountered in the film.