William Frederic Burr (born June 10, 1968) is an American stand-up comedian, actor, writer, podcaster, and social critic who has released several stand-up comedy specials.
 Outside of stand-up comedy, he is known for hosting the "Monday Morning Podcast", playing Patrick Kuby in the AMC crime drama series "Breaking Bad", and
Cathy Ladman is an American stand-up comedian, television writer, and actress.
 She was featured in her own installment of HBO's "One Night Stand" comedy series, and has been a guest on "The Tonight Show" on nine occasions.
 She has had numerous supporting roles in films like "Don't Tell Mom the Babysitter's Dead" (1991), "My Fellow Americans" (1996), and "White Oleander" (2002), and two Mike Nichols films: "What Planet Are You From?
" (2000) and "Charlie Wilson's War" (2007), as well as TV shows like "Roseanne", "Dr. Katz, Professional Therapist", "Caroline in the City" (in a recurring role), and "Everybody Loves Raymond".
 She was one of the writers of "The King of Queens" episode "Ice Cubed".
 She won an American Comedy Award for Best Female Stand-Up Comic in 1992.
Joe List (born April 6, 1982) is an American stand-up comedian.
 He began performing stand-up comedy in Boston, Massachusetts in 2000, shortly after graduating from high school.
 He has been featured on Conan and The Late Show with David Letterman.
 In 2015 List was a finalist on NBC's Last Comic Standing and recorded a half-hour comedy special on Comedy Central.
 His albums 'So Far No Good' and 'Are You Mad at Me?'
 can be heard regularly on Sirius Radio.
 List is also the co-host of his own popular weekly podcast 'Tuesdays with Stories' with fellow comedian Mark Normand as well as being a regular on Robert Kelly's 'You Know What Dude' podcast.
 In 2016 he toured the United States and Europe opening for Louis CK on his international tour which included three performances at Madison Square Garden.
 List is a regular at the Comedy Cellar in New York City.
Who's the Caboose?
 is a 1997 comedy film co-written and directed by Sam Seder and starring himself and Sarah Silverman in their film debut.
 The supporting cast includes comedians David Cross, Andy Dick, Laura Silverman, Laura Kightlinger, Chuck Sklar, H. Jon Benjamin, Andy Kindler, Mark Cohen, Kathy Griffin, Leo Allen, Marc Maron and Todd Barry, most of whom had not appeared in a theatrical movie prior to this one.
 The screenplay by Sam Seder and Charles Fisher depicts a romantically involved couple (Silverman and Seder) who travel separately from Manhattan to Los Angeles to attempt to secure a television series role during "pilot season," a set period of months when producers cast new shows.
 The New York City sequence at the beginning of the film features footage shot at the Luna Lounge in the Lower East Side, which has since been razed.
Stand-up comedy is a comic style in which a comedian performs in front of a live audience, usually speaking directly to them.
 The performer is commonly known as a comic, stand-up comic, stand-up comedian, or simply a stand-up.
 In stand-up comedy, the comedian usually recites a grouping of humorous stories, jokes and one-liners typically called a monologue, routine, or act.
 Some stand-up comedians use props, music, or magic tricks to "enhance" their acts.
 Stand-up comedy is often performed in comedy clubs, bars and pubs, nightclubs, neo-burlesques, colleges and theatres. Outside of live performance, stand-up is often distributed commercially via television, DVD, CD and the internet.
Eddie Gossling is an American stand-up comedian residing in Los Angeles, California.
 He is known for his absurd humor and his voice work in Disney's motion picture "The Wild".
 He is married to fellow stand-up comedian Megan Mooney.
Robin McLaurin Williams (July 21, 1951 – August 11, 2014) was an American stand-up comedian and actor.
 Starting as a stand-up comedian in San Francisco and Los Angeles in the mid-1970s, he is credited with leading San Francisco's comedy renaissance.
 After rising to fame as Mork in "Mork & Mindy" (1978–82), Williams established a career in both stand-up comedy and feature film acting.
 He was known for his improvisational skills.
Martin Høgsted (born in 1982, Dianalund) is a Danish stand-up comedian.
 He is known for UPS!
 Det er live, and as writer from Live fra Bremen.
 He debuted as comedian in 2006 on Comedy Zoo in Copenhagen and won DM i stand-up (Best Danish stand-up comedian) in 2008.
James Ronald Pardo, Jr. (born July 28, 1966) is an American stand-up comedian, actor, and host of the long-running comedy podcast "Never Not Funny".
 From the show's inception and until mid-2015, he performed as the Conan O'Brien program "Conan"'s warm-up comedian and cast member, after which he received a general development deal with O'Brien's production company.
 He last hosted the game show "Race to Escape" on the Science Channel.
David Cross (born April 4, 1964) is an American stand-up comedian, actor, director and writer, known primarily for his stand-up performances, the HBO sketch comedy series "Mr. Show", and his role as Tobias Fünke in the sitcom "Arrested Development".
 Cross created, wrote, executive produced, and starred in "The Increasingly Poor Decisions of Todd Margaret", developed and had a prominent role in "Freak Show", appeared on "Modern Family", portrayed Ian Hawke in the "Alvin and the Chipmunks" film franchise, and voiced Crane in the "Kung Fu Panda" film franchise.

Question: When was the American stand-up comedian who was a supporting cast in "Who's the Caboose?" born? 
Answer: April 4, 1964