Cubby O'Brien as a Mousketeer on
The Mickey Mouse Club, circa 1956
|Born||Carl Patrick O'Brien
July 14, 1946
|Years active||1955 - present|
|Spouse(s)||Marilyn Miller (1967-1976)
Terry Wilemon (1978-1999)
Holly Sims (2002-today)
Carl Patrick O'Brien (born July 14, 1946), better known by the nickname of "Cubby", is an American drummer and former child actor, best known as one of the original Mouseketeers on the weekday ABC television program, The Mickey Mouse Club from 1955–1958.
O'Brien was the third son of musician Haskell "Hack" O'Brien, a well-known drummer for several big band era ensembles. When he was an infant, his mother thought he resembled a bear cub, and tagged him with his lifelong nickname. He has two older brothers, Haskell O'Brien, Jr., a trumpet player, and Warren O'Brien, also a drummer.
Although born in Burbank, O'Brien grew up in the Los Angeles suburb of Shadow Hills, California between Sun Valley and Sunland. He began studying music at the Carl Babcock School of Music from age five, and later performed with the Roger Babcock Dixieland Band at charity events and for local television. He would eventually graduate in 1962 from Hollywood Professional School, where he was president of his class.
|This section, except for two footnotes, needs additional citations for verification. (November 2013)|
O'Brien, like Annette Funicello, was personally selected to audition for The Mickey Mouse Club by Walt Disney, in the spring of 1955. Disney had been alerted to him by a staff member, who caught his live performance at a charity gala.
Though he had little prior experience in singing or dancing, O'Brien was placed on The Mickey Mouse Club's first-string "Red Team" right from the start. He quickly picked up enough dance skills to perform in musical numbers, though his solo performances remained centered around his drums. He remained with the show for all three seasons (1955–1958) of original programming, and after filming stopped, went on live-performance tours with other Mouseketeers to Australia in 1959 and 1960.
Following Disney, he joined the Lawrence Welk organization for two years, having performed with the "Little Band", doing guest bits on the maestro's show, as well as other television series. After graduating from high school, Cubby started touring with Spike Jones, playing show tunes and dance music with the formerly manic bandleader's final group. He then played for Ann-Margret in her live performances, and in the late sixties returned to television as the sometime on-camera drummer for CBS's The Carol Burnett Show.
O'Brien also acted as Music Director for LA touring companies of the Broadway hits Hair and Oh, Calcutta! in the early seventies, and often fulfilled the same role for other engagements where his primary responsibility was drumming.
Beginning in 1973, O'Brien played drums for The Carpenters during tours, through the early eighties. Karen Carpenter also played drums live during this period, although rarely, with Hal Blaine and other professional studio percussionists performing on the group's recordings. Sharing a love of percussion, O'Brien at one point introduced Carpenter to big band drumming legend Buddy Rich.
In 1980, O'Brien reunited with his fellow Mouseketeers for a television special, in which he sang and danced, and, of course, played drums. He also joined some of these same Mouseketeers for live shows on fall weekends at Disneyland during the early 1980s.
Since the eighties, O'Brien's career has predominated around performing for Broadway productions, as well as for live shows by performers like Bernadette Peters. He based himself out of New York City instead of the West Coast for many years, though he has since moved back.
Cubby met his first wife Marilyn Miller, while touring with Spike Jones. They were married around 1966, and had a daughter together before divorcing around 1976. In 1978, Cubby married Terry Wilemon, whom he met in Las Vegas while touring with the Carpenters. That too ended in divorce in 1999. He married for the third time in 2002, to Holly Sims, a Portland-based flight attendant. Cubby lives in the Pacific Northwest and still works constantly, playing drums for various touring Broadway shows, and with Bernadette Peters. He has taken part in many of the Mouseketeer Reunion shows, including the 50th Anniversary in 2005, but usually is too busy drumming to make personal appearances. 
- Westward Ho, the Wagons! (1956) ... as Jerry Stephen
- The Spade Cooley Show: 3 episodes (1954) ....as guest drummer
- Where's Raymond?: 1 episode (1955) ....as guest drummer
- Disneyland: 3 episodes (1955–1957) ....as Mouseketeer Cubby
- The Mickey Mouse Club: series regular (1955–1958) ....as Mouseketeer Cubby
- The Lawrence Welk Show: unknown episodes (1958–1959) ....as guest drummer and singer
- Dick Powell's Zane Grey Theater: "The Man from Yesterday" (1960) ....as Ted Duncan
- The Wonderful World of Color: "The Mickey Mouse 40th Anniversary Show" (1968) ....as Mouseketeer Cubby
- The Carol Burnett Show crew (1967–1970) ....as drummer
- Tomorrow 1 episode (1975) ....as Cubby O'Brien
- The Wonderful World of Disney: "The Mouseketeer Reunion" (1980) ....as Mouseketeer Cubby
- The Mickey Mouse Club Story documentary (1995) ...as Cubby O'Brien
- Annie Get Your Gun (1999–2001) ...as drummer
- Gypsy (2003–2004) ...as drummer
- The Producers (2001–2003) ...as drummer
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With Milt Jackson
- Memphis Jackson (Impulse!, 1969)
- Walt Disney's Magazine, Vol II No 6, October 1957, pg 9
- Forever Hold Your Banner High, by Jerry Bowles, 1976, pg 96 ISBN 0-385-11622-5
- Modern Drummer, May 1983, "Karen Carpenter: A Drummer Who Sang" by Rod Fogarty
- The Dallas Observer, October 31, 1996, Music Section, "Not So Mickey Mouse" by Laurel Ornish