In 1970, right after the triumphant premiere of Stephen Sondheim’s groundbreaking concept musical Company, the renowned composer and lyricist, his director Harold Prince, the show’s stars, and a large pit orchestra all went into a Manhattan recording studio as part of a time-honored Broadway tradition: the making of the original cast album. What ensued was a marathon session in which all involved pushed themselves to the limit.
| Actor | Role |
|---|---|
 Stephen SondheimSelf | Self |
 Hal PrinceSelf | Self |
 Elaine StritchSelf / Joanne | Self / Joanne |
 Dean JonesSelf / Bobby | Self / Bobby |
 Pamela MyersSelf / Marta | Self / Marta |
 Beth HowlandSelf / Amy | Self / Amy |
 Barbara BarrieSelf / Sarah | Self / Sarah |
 Charles BraswellSelf / Larry | Self / Larry |
 Susan BrowningSelf / April | Self / April |
 George CoeSelf / David | Self / David |
 John CunninghamSelf / Peter | Self / Peter |
| SSteve ElmoreSelf / Paul | Self / Paul |
 George FurthSelf | Self |
| HHarold HastingsSelf | Self |
 Charles KimbroughSelf / Harry | Self / Harry |
| MMerle LouiseSelf / Susan | Self / Susan |
 Donna McKechnieSelf / Kathy | Self / Kathy |
| TTeri RalstonSelf | Self |
| TThomas Z. ShepardSelf | Self |