diff --git a/codex-rs/Cargo.lock b/codex-rs/Cargo.lock
index bb3747374e..0a910fb392 100644
--- a/codex-rs/Cargo.lock
+++ b/codex-rs/Cargo.lock
@@ -1202,6 +1202,7 @@ dependencies = [
  "tempfile",
  "tokio",
  "tokio-stream",
+ "tokio-util",
  "tracing",
  "wiremock",
 ]
diff --git a/codex-rs/codex-infty/Cargo.toml b/codex-rs/codex-infty/Cargo.toml
index 22859ce0a8..992ebb38f7 100644
--- a/codex-rs/codex-infty/Cargo.toml
+++ b/codex-rs/codex-infty/Cargo.toml
@@ -14,6 +14,7 @@ serde_json = { workspace = true }
 tempfile = { workspace = true }
 tokio = { workspace = true, features = ["macros", "rt", "rt-multi-thread", "signal"] }
 tokio-stream = { workspace = true }
+tokio-util = { workspace = true }
 tracing = { workspace = true, features = ["log"] }
 futures = "0.3"
 
diff --git a/codex-rs/codex-infty/src/orchestrator.rs b/codex-rs/codex-infty/src/orchestrator.rs
index 8ab80aae82..a0edb13772 100644
--- a/codex-rs/codex-infty/src/orchestrator.rs
+++ b/codex-rs/codex-infty/src/orchestrator.rs
@@ -1,5 +1,4 @@
 use std::fs;
-use std::io::Write;
 use std::path::Path;
 use std::path::PathBuf;
 use std::sync::Arc;
@@ -17,6 +16,7 @@ use codex_core::protocol::Op;
 use codex_protocol::ConversationId;
 use tokio::signal;
 use tokio_stream::StreamExt;
+use tokio_util::sync::CancellationToken;
 use tracing::warn;
 
 use crate::progress::ProgressReporter;
@@ -214,8 +214,13 @@ impl InftyOrchestrator {
         self.maybe_post_objective(&solver_role, sessions, &mut state, options)
             .await?;
 
-        let ctrl_c = signal::ctrl_c();
-        tokio::pin!(ctrl_c);
+        // Cancellation token that propagates Ctrl+C to nested awaits
+        let cancel = CancellationToken::new();
+        let cancel_on_ctrl_c = cancel.clone();
+        tokio::spawn(async move {
+            let _ = signal::ctrl_c().await;
+            cancel_on_ctrl_c.cancel();
+        });
 
         'event_loop: loop {
             tokio::select! {
@@ -243,6 +248,7 @@ impl InftyOrchestrator {
                                                 options,
                                                 &director_role,
                                                 &solver_role,
+                                                cancel.clone(),
                                             )
                                             .await?;
                                         sessions.store.touch()?;
@@ -277,6 +283,7 @@ impl InftyOrchestrator {
                                                 summary_ref,
                                                 options,
                                                 &solver_role,
+                                                cancel.clone(),
                                             )
                                             .await?;
                                         if !verified { state.pending_solver_turn_completion = true; continue; }
@@ -307,16 +314,16 @@ impl InftyOrchestrator {
                             println!("Stream error: {:?}", error);
                         }
                         e => {
-                            tracing::info!("Unhandled event: {:?}", e);
-                            print!(".");
-                            let _ = std::io::stdout().flush();
+                            tracing::info!("Unhandled event: {:?}", e); // todo move to trace
                         }
                     }
                 }
-                _ = &mut ctrl_c => {
-                    if let Some(progress) = self.progress.as_ref() {
-                        progress.run_interrupted();
-                    }
+                _ = cancel.cancelled() => {
+                    if let Some(progress) = self.progress.as_ref() { progress.run_interrupted(); }
+                    // Proactively interrupt any in-flight role turns for fast shutdown.
+                    let _ = sessions.solver.conversation.submit(Op::Interrupt).await;
+                    let _ = sessions.director.conversation.submit(Op::Interrupt).await;
+                    for v in &sessions.verifiers { let _ = v.conversation.submit(Op::Interrupt).await; }
                     // Cleanup is handled by the caller (drive_run) to avoid double-shutdown
                     bail!("run interrupted by Ctrl+C");
                 }
@@ -357,17 +364,25 @@ impl InftyOrchestrator {
         options: &RunExecutionOptions,
         director_role: &DirectorRole,
         solver_role: &SolverRole,
+        cancel: CancellationToken,
     ) -> Result<()> {
         let request = DirectionRequestPayload::new(prompt, options.objective.as_deref());
-        let directive_payload = director_role
-            .call(&request)
-            .await
-            .context("director response was not valid directive JSON")?;
+        let directive_payload = tokio::select! {
+            r = director_role.call(&request) => {
+                r.context("director response was not valid directive JSON")?
+            }
+            _ = cancel.cancelled() => {
+                bail!("interrupted")
+            }
+        };
         if let Some(progress) = self.progress.as_ref() {
             progress.director_response(&directive_payload);
         }
         let req = SolverRequest::from(directive_payload);
-        solver_role.call(&req).await?;
+        tokio::select! {
+            r = solver_role.call(&req) => { r?; }
+            _ = cancel.cancelled() => { bail!("interrupted"); }
+        }
         Ok(())
     }
 
@@ -379,6 +394,7 @@ impl InftyOrchestrator {
         summary: Option<&str>,
         options: &RunExecutionOptions,
         solver_role: &SolverRole,
+        cancel: CancellationToken,
     ) -> Result<bool> {
         let relative = deliverable_path
             .strip_prefix(sessions.store.path())
@@ -392,14 +408,20 @@ impl InftyOrchestrator {
         if verifier_pool.is_empty() {
             return Ok(true);
         }
-        let round = verifier_pool.collect_round(&request).await?;
+        let round = tokio::select! {
+            r = verifier_pool.collect_round(&request) => { r? }
+            _ = cancel.cancelled() => { bail!("interrupted"); }
+        };
         verifier_pool
             .rotate_passing(sessions, &self.conversation_manager, &round.passing_roles)
             .await?;
         let summary_result = round.summary;
         self.emit_verification_summary(&summary_result);
         let req = SolverRequest::from(&summary_result);
-        solver_role.call(&req).await?;
+        tokio::select! {
+            r = solver_role.call(&req) => { r?; }
+            _ = cancel.cancelled() => { bail!("interrupted"); }
+        }
         Ok(summary_result.overall.is_pass())
     }