diff --git a/cmd/lotus-storage-miner/info.go b/cmd/lotus-storage-miner/info.go
index 4e54252bc..99c09dde2 100644
--- a/cmd/lotus-storage-miner/info.go
+++ b/cmd/lotus-storage-miner/info.go
@@ -44,7 +44,7 @@ var infoCmd = &cli.Command{
 
 		ctx := lcli.ReqContext(cctx)
 
-		maddr, err := nodeApi.ActorAddress(ctx)
+		maddr, err := getActorAddress(ctx, nodeApi, cctx.String("actor"))
 		if err != nil {
 			return err
 		}
diff --git a/cmd/lotus-storage-miner/main.go b/cmd/lotus-storage-miner/main.go
index 62efe9370..ae8ea79e7 100644
--- a/cmd/lotus-storage-miner/main.go
+++ b/cmd/lotus-storage-miner/main.go
@@ -1,12 +1,16 @@
 package main
 
 import (
+	"context"
 	"os"
 
 	logging "github.com/ipfs/go-log/v2"
 	"github.com/urfave/cli/v2"
 	"go.opencensus.io/trace"
+	"golang.org/x/xerrors"
 
+	"github.com/filecoin-project/go-address"
+	"github.com/filecoin-project/lotus/api"
 	"github.com/filecoin-project/lotus/build"
 	lcli "github.com/filecoin-project/lotus/cli"
 	"github.com/filecoin-project/lotus/lib/lotuslog"
@@ -62,6 +66,12 @@ func main() {
 		Version:              build.UserVersion(),
 		EnableBashCompletion: true,
 		Flags: []cli.Flag{
+			&cli.StringFlag{
+				Name:    "actor",
+				Value:   "",
+				Usage:   "specify other actor to check state for (read only)",
+				Aliases: []string{"a"},
+			},
 			&cli.StringFlag{
 				Name:    "repo",
 				EnvVars: []string{"LOTUS_PATH"},
@@ -85,3 +95,19 @@ func main() {
 		os.Exit(1)
 	}
 }
+
+func getActorAddress(ctx context.Context, nodeAPI api.StorageMiner, overrideMaddr string) (maddr address.Address, err error) {
+	if overrideMaddr != "" {
+		maddr, err = address.NewFromString(overrideMaddr)
+		if err != nil {
+			return maddr, err
+		}
+	}
+
+	maddr, err = nodeAPI.ActorAddress(ctx)
+	if err != nil {
+		return maddr, xerrors.Errorf("getting actor address: %w", err)
+	}
+
+	return maddr, nil
+}
diff --git a/cmd/lotus-storage-miner/proving.go b/cmd/lotus-storage-miner/proving.go
index 791f3a88a..6420fbe5e 100644
--- a/cmd/lotus-storage-miner/proving.go
+++ b/cmd/lotus-storage-miner/proving.go
@@ -48,9 +48,9 @@ var provingFaultsCmd = &cli.Command{
 
 		ctx := lcli.ReqContext(cctx)
 
-		maddr, err := nodeApi.ActorAddress(ctx)
+		maddr, err := getActorAddress(ctx, nodeApi, cctx.String("actor"))
 		if err != nil {
-			return xerrors.Errorf("getting actor address: %w", err)
+			return err
 		}
 
 		var mas miner.State
@@ -117,9 +117,9 @@ var provingInfoCmd = &cli.Command{
 
 		ctx := lcli.ReqContext(cctx)
 
-		maddr, err := nodeApi.ActorAddress(ctx)
+		maddr, err := getActorAddress(ctx, nodeApi, cctx.String("actor"))
 		if err != nil {
-			return xerrors.Errorf("getting actor address: %w", err)
+			return err
 		}
 
 		head, err := api.ChainHead(ctx)
@@ -243,9 +243,9 @@ var provingDeadlinesCmd = &cli.Command{
 
 		ctx := lcli.ReqContext(cctx)
 
-		maddr, err := nodeApi.ActorAddress(ctx)
+		maddr, err := getActorAddress(ctx, nodeApi, cctx.String("actor"))
 		if err != nil {
-			return xerrors.Errorf("getting actor address: %w", err)
+			return err
 		}
 
 		deadlines, err := api.StateMinerDeadlines(ctx, maddr, types.EmptyTSK)