Bing CrosbyBing Crosby, Bob HopeBob Hope's long-term co-star and rival in the Road movies, plays an executioner who is livid when he doesn't get to execute Hope's character. Hope fires back saying, "He'll do any kind of role" (at the time, Crosby was a top star - but here he was doing a one-scene cameo.)
The film contains a number of in-jokes. Bob HopeBob Hope's character is just saying that he wants to be a private detective like Alan LaddAlan Ladd - when Ladd appears, playing a private detective. Dorothy LamourDorothy Lamour's character looks longingly after Bing CrosbyBing Crosby for a moment (in their "Road" movies with Bob HopeBob Hope, Crosby nearly always got the girl) before Hope wins back her attention.