The cast includes Ben Gazzara, George Peppard, Pat Hingle, Geoffrey Horne, James Olson, and Larry Gates, some of them members of the original cast of the stage version.
Pat Metheny | Pat Robertson | Pat Boone | Pat Benatar | Pat Mills | Pat O'Brien | Pat O'Brien (actor) | Pat Nixon | Pat Haden | Tim Pat Coogan | Postman Pat | Pat Travers | Pat Tillman | Pat McCrory | Pat Martin | Pat Brown | Pat Tilley | Pat Reid | Pat Lewis | Pat Cox | Pat Conroy | Pat Summerall | Pat Sajak | Pat Roberts | Pat Riley | Pat Kenny | Pat Hingle | Pat Coombs | Pat Binns | Laurdine "Pat" Patrick |
In addition to McQueen in the titular role ("Nevada Smith" being a name his character invents), the picture also features Karl Malden, Brian Keith, Arthur Kennedy, Suzanne Pleshette, Raf Vallone, Janet Margolin, Pat Hingle, Howard Da Silva, Martin Landau and Paul Fix.
The 1979 film version, adapted by Medoff and directed by Milton Katselas, starred Marjoe Gortner, Candy Clark, Stephanie Faracy, Lee Grant, Hal Linden, Peter Firth, Pat Hingle, Audra Lindley, and Anne Ramsey.