Actor Jason O'Mara has revealed he sent a 'very forward text' to Catherine Walker when he first wanted to ask her out on their first date. Jason, who stars as Jerry in RTE's new drama These Sacred Vows, dished the details on how he met fellow actress, Catherine. Jason O'Mara and Catherine Walker at the Marie Keating Foundation Annual Christmas Lunch at The Shelbourne. Jason O'Mara and Catherine Walker attend the premiere of RTÉ's new drama These Sacred Vows. Moving home to IrelandCatherine Walker and Jason O'Mara at the IFTA Awards 2024 at the Dublin Royal Convention Centre.