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Helen Z. Altenbach

Active as a freelance musician for the TV and Motion Pictures industry in Los Angeles, Helen Z. Altenbach is a member of the Grammy-winning Los Angeles Opera (LA Opera) Orchestra and the Hollywood Bowl Orchestra. She is also the former Principal Cellist of the Tucson Symphony Orchestra between 2009-2012. Her classical album* "Grieg & Prokofiev" ... See full bio »

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Known For

Crazy Rich Asians Music Department
La La Land Music Department
Finding Dory Music Department


Hide Hide Show Show Music department (71 credits)
 2019 The Mandalorian (TV Series) (musician - 2 episodes)
- Chapter 4: Sanctuary (2019) ... (musician: cello)
- Chapter 3: The Sin (2019) ... (musician: cello)
 2019 Alita: Battle Angel (musician: cello)
 2019 The LEGO Movie 2: The Second Part (musician: cello)
 2018 Aquaman (musician)
 2018 Smallfoot (musician)
 2018 The Predator (musician)
 2018 First Man (musician - uncredited)
 2018 Crazy Rich Asians (musician)
 2018 The Darkest Minds (musician)
 2018 The Equalizer 2 (musician)
 2018 Deadpool 2 (musician)
 2018 Maze Runner: The Death Cure (musician)
 2017 Star Wars: Episode VIII - The Last Jedi (musician: cello - uncredited)
 2017 Geostorm (musician: cello)
 2017 Cello (Short) (musician)
 2017 Transformers: The Last Knight (musician: cello)
 2017 Despicable Me 3 (musician)
 2017 Cars 3 (musician)
 2017 Pirates of the Caribbean: Dead Men Tell No Tales (musician: cello - uncredited)
 2017 The Fate of the Furious (musician: cello - as Xiaodan Zheng)
 2017 Group Therapy (Short) (musician)
 2017 xXx: Return of Xander Cage (musician)
 2016 Monster Trucks (musician)
 2016 Live by Night (musician)
 2016 Fences (musician)
 2016 Hidden Figures (musician - uncredited)
 2016 Valley Girls (Short) (musician)
 2016 Jack Reacher: Never Go Back (musician)
 2016 The Accountant (musician - uncredited)
 2016 Sing (musician)
 2016 La La Land (musician: cello - as Xiaodan Zheng)
 2016 Independence Day: Resurgence (musician)
 2016 Finding Dory (musician: cello - as Xiaodan Zheng)
 2016/II Lights Out (musician)
 2016 Hands of Stone (musician)
 2016 The Conjuring 2 (musician)
 2016 Money Monster (musician - uncredited)
 2016 The God Particle (Short) (musician)
 2016 10 Cloverfield Lane (musician)
 2016 Hail, Caesar! (musician: cello - as Xiaodan Zheng)
 2016 The Finest Hours (musician)
 2016 The 5th Wave (musician)
 2015 The Peanuts Movie (musician)
 2015 Bridge of Spies (musician: cello - as Xiaodan Zheng)
 2015/II The Walk (musician)
 2015 He Named Me Malala (Documentary) (musician)
 2015 Fantastic Four (musician)
 2015 Minions (musician)
 2015 Pixels (musician)
 2014 Night at the Museum: Secret of the Tomb (musician) / (musician: cello - as Xiaodan Zheng)
 2014 Big Hero 6 (musician)
 2014 The Best of Me (musician)
 2014/I Annabelle (musician)
 2014 Gone Girl (musician)
 2014 The Equalizer (musician)
 2014 Teenage Mutant Ninja Turtles (musician)
 2014 X-Men: Days of Future Past (musician)
 2014 Godzilla (musician)
 2014 The Amazing Spider-Man 2 (musician)
 2014 300: Rise of an Empire (musician)
 2013 A Good Day to Die Hard (musician)
 2012 Argo (musician: cello - uncredited)
 2012 Big Miracle (musician)
 2011 Contagion (musician)
 2010 The Samurai of Strongsville, Ohio (Short) (musician - as Xiaodan Zheng)
 2007 My Silent Sadness (Short) (musician: cello - as Xiaodan Zheng)
 2006 Purity (musician: solo cello - as Xiaodan Zheng)
 2003 The Kidnapping of Ingrid Betancourt (Documentary) (musician: cello - as Xiaodan Zheng)

Personal Details

Official Sites:

Official Site

Alternate Names:

Xiaodan Zheng


5' 3" (1.6 m)

Did You Know?


Fluent in Russian and Mandarin Chinese including reading and writing. See more »


Xiao-Dan Zheng See more »

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