Well, I s'pose I must trust you.
3 seconds sound clip from the Blackbeard's Ghost (1968) movie soundboard.
You can hear this line at 00:39:51 in the Blu-ray version of the movie.
Quote context
[...]
- Look, crack loose with the treasure, huh? It's the only way.
- That's why the curse held on so long.
- Now, come on. Where's the treasure?
- Well, I s'pose I must trust you.
- The treasure? Want to know the treasure?
- Yeah.
- Where is it? Where's the treasure?
- No! Not a penny! There's not a doubloon, there's not a bent or damaged peseta.
- That is one of the most outrageous things that I've ever...
[...]