- Steve Allen
- Narrator
- Moe Howard
- Moe
- Larry Fine
- Larry
- Curly Howard
- Self
- Shemp Howard
- Shemp
- Joe Besser
- Self
- Joe DeRita
- Self
- Ted Healy
- Self
- Edward Bernds
- Self - Interviewee
- Lou Costello
- Self
- Elaine Diamond
- Self - Curly's Wife
- Marilyn Ellman
- Self - Curly's Daughter
- Henry Freulich
- Self - Interviewee
- Julie Gibson
- Self - Interviewee
- Alfred S. Keller
- Self - Interviewee
- Jock Mahoney
- Self - Interviewee
- Leonard Maltin
- Self - Interviewee
- Emil Sitka
- Self - Interviewee
- Elwood Ullman
- Self - Interviewee
- Jules White
- Self - Interviewee
- Paul Winchell
- Self - Interviewee
- Ed Wynn
- Self
