There seems to be a mixup with these two actors.
Ivan McDonald only played in this movie:

Skipped Parts

Adolescência Perdida

Mittendrin und voll dabei...

The Wonder of Sex

5-608652-019361
4-012020-020018
5-706112-354219
031398-767022
057373-154427
5-706132-354213
5-706132-354213
8-711983-452350
5-706112-354219
5-014138-294397
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Ivan MacDonald
played this movie (Verified by me in the Unsaid movie credit):

Unsaid

The Unsaid - Lautlose Schreie

Los Límites del Silencio

Nos Limites Do Silêncio

Sous le silence

The Unsaid - Lass die Vergangenheit ruhen

The Unsaid - Sotto Silenzio

8-421466-624838
3-294333-031320
3-384442-031899
5-050582-081503
5-050582-081527
5-050582-081534
025192-245527
025192-455278
5-706112-354769
5-706112-354769
8-715664-020715
025192-245527
5-050582-349153
8-031179-905966
8-031179-908189
5-706102-254765

And is wrongly credited as Ivan McDonald in these profiles:
8-715664-008102
I28CA3981D20E7635
4-013575-490196
4-013575-490196
4-042907-100373
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And This is most likely another Ivan Macdonald:

Quote:
Films
TRAINSPOTTING, BRAVEHEART, COLD MOUNTAIN, MOTORCYCLE DIARIES, MERRY CHRISTMAS!!!

Merry Christmas 886970-186896
En dag uden krig 7-319980-066856 Ivan MacDonald Joueur de cornemuse écossais (Scottish Bag piper)