by Vera H-C Chan Log rolling. Swan diving. Home improvement. Is there nothing that Isaiah Mustafa can't do? At the risk of shamelessly overexposing the shirtless Old Spice guy...oh forget it, too late for meaningless apologies. Suffice to say that Mustafa's latest seamless starring vehicle has arrived, a week after the first won a Cannes Film Festival award. In a summer of sequels, this is one we welcome.         This time he has upgraded from the horse.