🥔 Brian Doyle-Murray as Various (uncredited)

Spudvisor

Steve Martin/The Blues Brothers

3x18 Steve Martin/The Blues Brothers

Buck Henry/The Grateful Dead

4x05 Buck Henry/The Grateful Dead

Rick Nelson/Judy Collins

4x12 Rick Nelson/Judy Collins

Gary Busey/Gary Busey with Rick Danko and Paul Butterfield, Eubie Blake

4x14 Gary Busey/Gary Busey with Rick Danko and Paul Butterfield, Eubie Blake