A solider is shown using a M1 Garand which was not used by British or Canadian troops.
There appears to be no other men and vehicles on the beach other than Gariépy's tank and Lt. Grayson's unit.
A Company, The Regina Rifles were shown as being transported on the HMCS Prince David when they were actually on SS Isle of Thanet (a British ship). They were taken to the beaches on LCAs of the 505th Flotilla (British crews) with serials 1044 to 1048, not 1150, shown in the film.
Sgt. Léo Gariépy's Sherman is an M4A3E8 Sherman; while the 1st Hussars (Gariépy's unit) were equipped with Shermans, they were not of this particular model. The 1st Hussars were equipped with Duplex Drive M4A4 Sherman, the Duplex Drive being fitted to it and the M4A1, not the M4A3E8, which was introduced in November of 1944 and well after D-Day.
A solider is being seen using a M1 Thompson which was not used by the Canadian or British forces.
The musical theme, and the song the bagpiper is playing, is The Flower of Scotland. It's a beautiful song but it wasn't written till 1967.
Lt. Grayson draws a Browning Hi-Power while clearing the bunker. While the Hi-Power was introduced in 1935, it was not in service with any Commonwealth force on June 6, 1944. Canadian production at John Inglis and Company began late in 1944, with those models being issued by Operation Varsity in March 1945.