Two ruthless mercenaries break their friendship when one of them changes sides.
Unfortunately the movie The Last Grenade is not yet available on HBO Max.
| Directing | Gordon Flemyng | Director |
| Writing | Kenneth Ware | Screenplay |
| Art | Anthony Pratt | Art Direction |
| Writing | John Sherlock | Adaptation |
| Writing | John Sherlock | Novel |
| Editing | Ernest Hosler | Editor |
| Production | Josef Shaftel | Producer |
| Sound | John Dankworth | Original Music Composer |
| Editing | Ann Chegwidden | Editor |
| Writing | James Mitchell | Adaptation |
| Camera | Alan Hume | Director of Photography |
| Costume & Make-Up | Beatrice Dawson | Costume Designer |
| Camera | David Harcourt | Camera Operator |
| Sound | Michael Hopkins | Sound Editor |
| Production | Ron Carr | Production Manager |
| Costume & Make-Up | Gordon Bond | Hairdresser |
| Production | René Dupont | Associate Producer |
| Crew | Pat Moore | Special Effects |
| Sound | Buster Ambler | Sound Recordist |
| Sound | John Dankworth | Conductor |
| Directing | Rita Davison | Continuity |
| Art | Terence Morgan | Set Dresser |
| Directing | Anthony Waye | Assistant Director |
| Production | Jim Brennan | Location Manager |
| Costume & Make-Up | Wally Schneiderman | Makeup Department Head |
