Discover Martin Mull's restless reinvention from smoky folk clubs to primetime sitcoms to gallery walls, told in his own words and by the friends who watched it happen, including Steve Martin, Tom Waits, David Alan Grier and others.
| Actor | Role |
|---|---|
 Martin MullSelf | Self |
 Steve MartinSelf | Self |
 Tom WaitsSelf | Self |
 David Alan GrierSelf | Self |