It’s wedding time for Barney (Neil Patrick Harris) and Robin (Cobie Smulders), so it’s hardly surprising that the groom’s father will be in attendance. John Lithgow is returning to How I Met Your Mother as Barney’s father for an episode during the upcoming season, EW has confirmed.
Lithgow appeared in two previous episodes as Barney’s father, Jerry Whitaker. The wedding is drawing a number of guest stars to the table, including returning guest star Wayne Brady as well as Sherri Shepherd and Ellie Kemper.
How I Met Your Mother returns to CBS for its ninth and final season on Sept. 23.
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