Bryan Jay O'Byrne (February 6, 1931 – December 4, 2009) was an American film and television character actor and acting coach.

O'Byrne successfully entered the profession after starring in the Broadway production of Duel of Angels opposite actress Vivien Leigh in the late 1950s.

He resided in the same New York apartment building as actors James Farentino and Marlon Brando, befriending both of them early in their careers.

[1] He regularly appeared as a mortician in The Munsters, as well as the series Occasional Wife, in which he played the "Man in the Middle,"[3] and as Mr. Beasley, the mailman, in Blondie.

[1] He made a guest appearance on Perry Mason in 1965 as murder victim Horace Lehigh in "The Case of the Baffling Bug."

[1] O'Byrne's film credits included Spaceballs, Gunfight in Abilene, Marnie, The Shakiest Gun in the West, The Million Dollar Duck, Gus, Love at First Bite, The Apple Dumpling Gang Rides Again and Zapped!.

Forest Whitaker, Jimmy Smits and Lou Diamond Phillips visited his acting classes early in their careers.

[1] He also coached acting to Pam Dawber, Christopher McDonald, Bonnie Bedelia, Bill Allen and Marj Dusay.

[2] Actor Christopher McDonald, a close friend and former student, read the eulogy at O'Byrne's funeral.