not 100% accurate due to frame rate dips, but comes close

Tidus
quick trick: 	12/13/14 frames
AoE:			15 frames
jecht shot:		20 frames

Orlandu
holy exp:		15/15/17 frames (17 has dupe/s)
hp drain:		13 frames (15 with dupe)

TTerra
dual cast:		2 frames (3 with dupe)
normal attack: 	4 frames

Yshtola
dual cast: 		2 frames (3 with dupe)

Exdeath
dual cast: 		2 frames (3 with dupe)

Terra
normal attack: 	4 frames