how to plan

[thiyagucam]

hi i am going to shoot a film next week in super35 format the sequence i am going to shoot is an actor going to do a dual rool in a same scene the scene is thecharector no 1 is waiting in the out side of the house then charector no 2 enteredand shake the hand each other and talking each other and the shot is going to finsh the total sequenceis we r planning for a single shoti want to plan it as a moment shot while beginning the camera is static and after some dialogue it going towards them to close range and slowly crane upto avoid them to sky shot these total sequence i plan it in real location exterior day effect i plan to use a grenn matt technic what r the thing i have to pre plan how to execute kindly help me the same time one of the charector no2 get up we r not planning to shoot in the same day because we plan to workout some physical difference to the actor pls sugest your views to me thank you