Roy Scheider was an eleventh hour replacement for another actor. Directly after the completion of the shooting, he traveled to Martha's Vineyard to film Jaws (1975).
Hey! You wanna make it?
Sheila Levine: Oh, I already have made it. Here.
For its very rare early 80's broadcast showings, 13 minutes were added onto the film's running time, boosting it to almost 127 minutes. Added are more scenes involving Sheila's "typing/singing" job.