Rollie Krewson (sometimes credited as Rollin Krewson) interned with the Muppets in the mid 70's. She has contributed to almost every Henson production since her arrival and to this day carries her skills through Sesame Street.
She has been awarded 7 Emmy Awards for her contributions to Sesame Street and had been nominated many times for her work on other Henson productions. Although she now works primarily as a designer/builder, she began as a performer, doing small bits on The Muppet Show and other projects.
- The Muppet Show: Sex and Violence - Built Heaps and Stalks
- The Muppet Show - Muppet designer/workshop supervisor, built Chuckie, Wayne, Foo Foo and many others
- Emmet Otter's Jug-Band Christmas - Built Wendell Porcupine
- The Dark Crystal - Creature Design/Fabrication Supervisor: Fizzgig
- Fraggle Rock - Built Wembley, Red, Balsam the Minstrel, and others
- The Muppets Take Manhattan - Muppets' studio coordinator
- Tale of the Bunny Picnic - Built Twitch and Bean Bunny
- Labyrinth - Creature workshop artist: The Wiseman, Fireys, Goblins
- The Christmas Toy - built Rugby Tiger
- Sesame Street - Built Zoe, Curly Bear, Abby Cadabby, Lulu, and many more; has rebuilt Elmo (since 1988), Ernie and Bert
- The Jim Henson Hour - Built Lindbergh
- Dog City - Muppet Workshop project supervisor
- The Muppet Christmas Carol (1992)
- Muppet Treasure Island
- Plaza Sésamo - Built Lola and Pancho
- Galli Galli Sim Sim - built Aanchoo, Googly, Chamki, etc.
- The Animal Show - Project Supervisor, built Giraffe, Zebra etc.
- Big Bag - Built Chelli
- The Wubbulous World of Dr. Seuss - Built Norval the Fish, Project Supervisor
- The Adventures of Elmo in Grouchland (1999) -(Muppet builder/designer)
- Muppets from Space (1999) - (project supervisor: Muppet workshop) (as Rollie Krewson)
- Sesame Beginnings - Built Baby Elmo and Elmo's Dad
- Sesamstraat - Built Purk
- X•tink•shun - Built Didi the Dodo
- Sesamstrasse - Built Pferd
- Saturday Night Live - Assistant puppeteer
- The Muppet Show: Sex and Violence
- The Muppet Show - Mary Louise (Sandy Duncan episode)
- The Muppets Go to the Movies
- Dark Crystal - Assistant puppeteer (Fizzgig, Kira, Garthim Master)
- Labyrinth - Firey 5 (assistant), shaft of hands, goblins