Continuity mistake: Richard Burton parachutes from the Hercules twice. He shakes hands with Richard Harris before being the first pair to jump. Approximately 5 seconds later, we see him jump again.
The Wild Geese (1978)
1 continuity mistake - chronological order
Directed by: Andrew V. McLaglen
Starring: Richard Harris, Roger Moore, Richard Burton, Hardy Krüger
Revealing mistake: During the fight after Witty has been killed, Peiter throws a grenade that lands in a bush on the right of the path up which the enemy are advancing. However, the resulting explosion comes from the centre of the path and not as far away as the grenade flew.
Lt. Shawn Fynn: I may have a job for you.
Lt. Pieter Coetze: Thanks, I went to prison once, I didn't like it.